Best Inner Grooved

Gransfors Bruks Ceramic Grinding/ Sharpening Stone GB 4034

  • Four (4) finger-grooved sharpening hones.
  • Deluxe 4-stone diamond knife sharpening system for kitchen, hobby, or garden knives.
  • Includes extra-coarse, coarse, medium, and fine diamond hones.
  • Controlled-angle sharpening system with 17, 20, 25, and 30-degree angle options.
  • Color-coded stones feature finger-grooved safety holders.
  • Includes precision-engineered knife clamp, custom-molded storage/carrying case, and specially formulated honing oil.
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Dr. Brown's Bottle Brush, Blue

  • For use with all standard and wide-neck Dr. Brown’s Natural Flow baby bottles.
  • Features a grooved, no slip handle and a combination sponge and bristle brush head for thorough, easy cleaning of bottles.
  • Fixed chevron channels, designed specifically to clean nipples with ease.
  • Storage clip is included to house the brush near the sink.
  • Use with all standard and wide neck Dr Brown’s natural flow baby bottles.
  • Features a grooved, no-slip handle and a combination sponge and bristle brush head for thorough, easy cleaning of bottles.
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Manjushri Precision 6 Inches Fish Pin Bone Pliers Tweezers for Removing, Plucking and Pulling Pin Bones. (Silver)

  • Precise: Ease of Use than Flat Tweezers..
  • Durable: Strong Durable for Small to Big Fish Pin Bones..
  • Grooved Tip: Grooved Tip for Precision Pulling of Pin Bones..
  • Needle Nose Tip: Needle Point Tip for Small Fish Bones..
  • Spring Action: Springed for Flexibility and Ease of Use..
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Dr. Martens Unisex 1460 8 Eye Boot, Black Greasy, 12 US Women/11 US Men

  • Retains all the classic Doc's DNA, including grooved sides, heel-loop and yellow stitching.
  • Built on the iconic Dr. Martens air-cushioned sole, which is oil and fat resistant, with good abrasion and slip resistance.
  • Constructed on our comfortable, iconic Dr. Martens air-cushioned sole.
  • Retains classic Doc's DNA, like grooved sides, yellow stitching and yellow heel loop.
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Dr. Martens Unisex 1460 8 Eye Boot, Black Greasy, 11 US Women/10 US Men

  • Retains all the classic Doc's DNA, including grooved sides, heel-loop and yellow stitching.
  • Built on the iconic Dr. Martens air-cushioned sole, which is oil and fat resistant, with good abrasion and slip resistance.
  • Constructed on our comfortable, iconic Dr. Martens air-cushioned sole.
  • Retains classic Doc's DNA, like grooved sides, yellow stitching and yellow heel loop.
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Dr. Martens unisex adult 1460 Greasy Combat Boot, Black Smooth, 9 Women 8 Men US

  • Retains all the classic Doc's DNA, including grooved sides, heel-loop and yellow stitching.
  • Built on the iconic Dr. Martens air-cushioned sole, which is oil and fat resistant, with good abrasion and slip resistance.
  • Constructed on our comfortable, iconic Dr. Martens air-cushioned sole.
  • Retains classic Doc's DNA, like grooved sides, yellow stitching and yellow heel loop.
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Cuisinox Wooden Gnocchi and Cavatelli Pasta Board, Beachwood, 8" x 1"

  • Wooden Pasta Board is made of 1" thick Beachwood.
  • Gnocchi and Cavatelli Board measures 8" x 5" x 1".
  • Pasta making just got easier! Make perfect Gnocchi and Cavatelli every time! Wooden pasta board has ridges that let you quickly create ridges on your gnocchi..
  • Grooved Pasta Board can also be used to create grooved European style butter balls!.
  • Wood Handle makes it easy to form Italian pastas on the board's surface.
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Licefreee NitDuo Lice and Nit Comb | Dual Sided Metal Lice Comb | Two Combs in One Works on All Hair Types | Head Lice Treatment Comb Removes Nits and Eggs

  • DUAL-SIDED LICE COMB FOR THIN OR THICK HAIR.
  • One-of-a-kind head lice removal comb from the maker of Licefreee Spray.
  • Grooved-side is terrific for hard to remove lice, eggs and nits.
  • Smooth side is best for non-invasive combing and thicker hair.
  • Professional metal lice comb allows you to remove lice completely.
  • Tiny eggs and nits won’t slip through special spiral-grooved teeth.
  • The comb is also reusable for your entire family.
  • COMFORT GRIP MAKES LICE AND NIT REMOVAL EASY.
  • Perfect for when your head lice treatment process calls for egg, nit and lice removal.
  • Those critters don’t stand a chance with the NitDuo Comb.
  • ONE SIDE HAS SPIRAL-GROOVED TEETH FOR HARD TO REMOVE EGGS AND NITS.
  • This is very helpful when your school has a no nit policy.
  • The smooth side of the NitDuo Comb loves curly or thick hair.
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Crabby 6'' Inch 30sec Diffraction Spectrometer to Measure Prism Refractive Index

  • Adjustable Prism table marked with grooved lines Main graduated scale of 150mm (6") Double ending verniers reading to 1 min to 30 Secs Arc depending on model Telescope mounted on movable pillar having fine adjustment..
  • Collarimeter mounted on fixed pillar with objective Eyepiece & Rack Pinion Fine Focusing..
  • Spectrometer with 6" Circle and Adjustable Prism table marked with grooved lines..
  • Telescope mounted on movable pillar having fine adjustment and Double ending verniers reading 30 Secs. Arc Collarimeter mounted on fixed pillar with objective..
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3M Aqua-Pure Whole House Large Sump Replacement Water Filter Drop-in Cartridge AP811, 5618904

  • Reduces sediment for cleaner and clearer water.
  • Cartridge manufactured using 3M polypropylene process.
  • Grooved surface increases total surface area for longer cartridge life as compared to 3M non-grooved surface cartridges.
  • Rigid construction helps to reduce sediment “unloading” due to variances in water pressure.
  • All parts are manufactured from FDA CFR-21 compliant materials.
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