Best Screw Test Tubes

ULAB Scientific Detachable Test Tube Rack for Tubes of Dia.≤17mm 50 Holes PS Material Pack of 2 UTR1006

  • Detachable plastic test tube rack and easy to assemble..
  • For 15 to 17mm test tubes, round holes, hold 50 tubes..
  • Clear for easy viewing and holes are inscribed with number for tracking tubes..
  • Economical and space-saving rack for student use or applications in lab or at home..
  • Three-tier design permits convenient insertion and removal of tubes..
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Twdrer 50 PCS Clear Plastic Test Tubes with Cap and Rack for Scientific Experiment,Halloween,Christmas,Scientific Theme Party Decoration,Candy Storage(12mm x 100mm)

  • Material: Made of high quality clear plastic material,safe,durable and sturdy.
  • Size: The tube: 0.47"×3.9"/12mm x 100mm,volume: 8ml,test tubes rack: 8.46" x 4.33" x 2.48"/214mm x 110mm x 63mm,hole diameter: 13mm,50 holes.
  • Test tubes with caps: The cap can be closely attached to the 12mm diameter test tube which has great performance of sealing and prevent liquid leaking effectively.
  • Detachable test tubes rack: The rack has 3 Layer and 2 slots that each layer has a direction,slide the shelves in from one side and the other side has a lip that stops it.The rack has three layers of holes with a smallest hole at the bottom to keep tubes steady,and the large holes on the top and the second floor.
  • Suitable scene: It is not only ideal for scientific experiments and storing beads,spices,liquids,seeds and more,but also can be used for mixing drinks to decorate Halloween,Christmas and scientific theme parties perfectly.
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proturbo 60pcs 10ml Lab Plastic Frozen Test Tubes Plastic Graduated Vial Tube with Screw Caps Vial Seal Cap Container for Laboratory School Educational

  • Material: the test tubes are made of high-quality PP plastic material, safe, sturdy and durable. Resistant to low temperature and can be frozen for a long time..
  • Capacity: each plastic graduated vial tube is 10ml capacity with clear scale marked, which is very easy to read..
  • Easy to use:the plastic frozen test tubes can clearly see the liquid position, the scale is clear, the tube body has 1-10ml calibration, easy to read the accurate liquid volume..
  • Suitable for scenes: these plastic cryogenic tubes not only a great choice for schools, hospitals and scientific laboratories, but also an ideal choice for placing earrings, jewelry, pills, seeds, needles and other small objects..
  • Package including: each package contains 60 pieces 10ml frozen test tubes,sufficient in quantity to meet your laboratory tests..
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Hanna Instruments HI98103 Checker pH Tester with Ph Electrode and Batteries, 0.00 to 14.00 pH, +/-0.2 pH Accuracy, 0.1 pH Resolution

  • Compact pH tester with narrow probe for use in small samples or test tubes.
  • Manual two-point calibration through trimmers for custom calibration.
  • Single-line LCD display screen for ease of viewing.
  • Replaceable electrode with screw connector to extend meter life.
  • Low power demand for extended battery life.
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Youxmoto Ball Joint Press Kit & U Joint Removal Tool Kit with 4x4 Adapters for Most 2WD and 4WD Cars and Light Trucks 10PCs

  • Must have for ball joint service: Ball Joint Press Set Ball Joint Tool / Bushing Removal Tool with 4WD Adapter to effortlessly remove press-fit parts....
  • We're different: Made from heavy-duty forged steel technology, through the Charpy impact test, Unlike the ball joint dismantling tools made of 45#....
  • Compatible with a wide range of vehicles: Fit most American domestic and imported 2-wheel drive (2WD) and 4-wheel drive (4WD) cars and light pickup....
  • Package includes: 3x Receiving Tubes, 1x Removal Adapter, 1x Installation Adapter, 1x Screw, 1x Install Cup Adapter, 1x Forcing-screw Press, 1x....
  • Worry-free shopping experience: If you have any questions, please do not hesitate to contact us. Every product enjoys a 24-hour response, a 30-day....
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PAG Plant Terrariums Kit Desktop Hydroponics Air Planter Holder with 4 Bulb Beaker Glass Vase and Solid Wood Stand for Home Office Decoration

  • ...ants to cultivate many kinds of plants!.
  • Size and Package: The overall height of the product is 39 inches.
  • Test-tube depth of 5.9inch and a diameter of 1.1 inches. The package includes 3 tiered hanging propagation planters wood stand*1, glass test tube*16, tube cleaning brush*1, drywall screw*2, light string*1. Tips: This product without plants or flowers attached. Please clean the test tube regularly..
  • Ideal Gift: This hanging propagation station can not only add some natural breath and a touch of comfort to the busy and tense life! It can use as a gift for friends and family who love planting or celebrating birthdays, retirement, Mother's Day or Thanksgiving, etc. If you have any questions, please feel free to contact us 24 hours service to you..
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uxcell 304 Stainless Steel Test Tube Holder Lab Stand Rack 6 Hole 3 Layer for 26-30mm Tubes

  • Made of 304 Stainless Steel, durable and light weight, easy to carry. It can be used to place the test tube in an orderly manner in the laboratory, so as to save a lot of space, and can be used as a carrier to better move the test tube..
  • Highly polished surface, no edges and sharps, chemical and corrosion resistant..
  • Fit for 26 to 30mm test tubes, round holes, hold 6 tubes. Note: Please check the diameter and height of your tubes before ordering..
  • Economical and space-saving rack for applications in lab or at home..
  • 3 Layer, 2 slots, each layer has a direction, slide the shelves in from one side, the other side has a lip that stops it, fits very snug..
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PYREX 16x100mm Disposable Round Bottom Threaded Culture Tubes, Without Marking Spot or Caps, Bulk Pack, Pack of 50

  • GLASS CULTURE TUBE: These disposable PYREX borosilicate glass tubes are convenient school science club, home chemistry kit and professional lab equipment with white enamel marking spots for easy annotations..
  • DISPOSABLE TEST TUBE: Offering exceptional clarity, the glass tubes offer good thermal and chemical resistance, and are ideal scientific culture tubes for biology, chemistry and industrial use..
  • THREADED TOP: The science test tubes are finished with a round bottom and a threaded top..
  • SCHOOL & HOME USE: Suitable for classroom STEM or home science activities, these glass culture tubes are available in a range of sizes, in bulk packs and are supplied without caps..
  • PYREX GLASSWARE: PYREX scientific glassware has been a trusted partner for chemists and research scientists in the toughest laboratory environments for more than 100 years..
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200 Pcs Test Tubes Clear Plastic Test Tubes with Caps 16 x 100 mm 10 ml Test Lab Tubes for Scientific Experiments Plant Propagation Scientific Themed Kids Birthday Party Supplies Candy Storage

  • Sturdy to Use: these test tubes with lids are made of clear polystyrene (PS), strong, sturdy, reusable, not easy to break or damage, providing you with long term service.
  • Size Details: the diameter of the clear plastic tube is about 0.63 inches/ 16 mm, the total length is 4.3 inches/ 100 mm (excluding the cap), the volume is 10 ml, the appropriate size can meet your needs.
  • Abundant Amount: you will receive 200 plastic tubes with caps in smooth appearance, which can be applied with your confidence, sufficient quantity can meet your daily needs and replacement, and also allows you to share with others.
  • Good Sealing: coming with tight fitting lids, these plastic test tubes ensure a good seal without rough edges to prevent leaks or scatter, bringing you a pleasant and easy using experience.
  • Wide Range of Applications: test lab tubes are nice to store candy and gum, as well as nice for science experiments or plant propagation.
  • With them, you can make crazy science concoctions on Halloween, and replace the glass tubes in the hummingbird feeder, with more functions waiting for you to explore.
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2 Pack 60 Holes Lab Test Tube Rack,16mm Test Tubes Holder,Detachable Lab Test Tube Rack for Scientific Experiments,Scientific Theme Party Decorations,White

  • Need to assemble:You will get 2 sets of components in each package,it is easy for you to assemble them to get 2 pieces of complete test tube rack..
  • For 16mm test tubes:Complete lab test tube rack measures 9.8 x 4.1 x 2.6 inch(L x W x H),you can hold 60 test tubes with it at most,the width of each....
  • Product material:The detachable test tube rack is made of high quality plastic,3-layers design make the structure more stable,it will not fall apart....
  • Economy and utility:The removable test tube rack is lightweight,you can take it apart when you don't use it, they won't take up much space..
  • Multiple usage:The test tube racks can not only be used for scientific experiments,but aslo for storaging test tube containing candy,beads,pills and....
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