Sunnytech Mini Hot Air Stirling Engine Motor Model Educational Toy Kits Electricity HA001
FANTASTIC SMART LITTLE THING WITH EXTREMELY WELL MADE WHICH RUNS LIKE A DREAM----the stirling engine is produced with high quality material and elegant workcraft. this stirling engine adopts mirror surface stainless steel for the base, brass cylinder, premium spring, HRC55 nickel plating stand and accessories, aluminium alloy dis-placer piston, glass cylinder liner, precision bearing, bearing steel shafts, zinc alloy flywheel. All the parts have done surface treatment to avoid rusting..
LONG LASTING----It can run for 8+ hours continuous without any broken while using 95% alcohol which test by one customer. Worry about the cylinder glass broken during shipment or usage? It did come with two spare hot cylinder glass tubes and two O-rings inside the package. You can replace it fast and easily. Replacement video instruction included on the manual. We also can make offer for your future parts requirement..
SMART SIZE WITH TONS OF MECHANICAL KNOWLEDGE----This stirling engine designed reasonable and compact. it adopts Lever mechanism and Crank-rocker Mechanism, it looks more Mechanical and cool. This machine contains pattern of connecting rod piston, crankshaft, lever, bel....
AUSTOR 126 Pcs Sanding Discs 2 Inch Quick Change Disc with 1/4 inch Tray Holder Surface Conditioning Disc for Surface Prep Strip Grind Polish Finish Burr Rust Paint Removal
Practical sanding disc set - package include 60 pcs Aluminium Oxide discs, 15 pcs nylon SiC sanding discs, 40 pcs Zirconium Oxide discs, 3 pcs Ceramics discs, 2 pcs quick change flap disc, 2 pcs black strip discs, 2 pcs compressed wool discs, 2 pcs metal link and 1 pcs 1/4 inch shank holders, 126 pcs in total.
Nylon SiC sanding discs - coarse, medium and fine sanding discs are included, with open 3D mesh structure, the superior hardness particle provide strong and fast cutting force, enable the sanding discs can work well on various of shapes surface, even the rugged one.
Ceramics sanding discs - 3 grits (36/80/120), strong cutting force and long service life, apply for polishing hard metal, such as titanium alloy.
perfect for rust removal, works well on hard surface.
Aluminium Oxide discs - premium aluminium oxide sandpaper with strong R-lock shank base, 6 kinds of common grit (36/60/ 80/ 120/ 180/ 240) to meet your various polishing requirements.
2 kinds metal link - come with 2 kinds metal link in different shape, one of them is cylinder-shaped, suitable for pneumatic tools.
the other is hexagon-shaped, perfect for electric tools, which can be switched freely according to personal use.
ROCKBROS Bike Rollers Adjustable Bike Trainer Stand Foldable Indoor Cycling Bicycle Roller with Resistance for MTB Road Bike Exercise
✔SAFETY & STABILITY: indoor sports safety first, parabolic rollers enhance stability, scientific design makes him safer than straight rollers, choose safer indoor bicycle training rollers..
✔DURABLE & FOLDABLE: High-strength and high-end aluminium alloy roller bicycle trainer, with three aluminium rollers mounted into an adjustable frame to hold bike wheels. Never worry about our quality.This roller trainer is foldable, handy and save space..
✔LIGHT WEIGHT & PORTABLE: 3 folds flat and lightweight ( only 6.5kg/pair ) design ，Save your indoor space, convenient for you to take it anywhere..
✔COMPATIBLE WITH: The front adjustment holes with measuring cylinder can adapt different bicycles wheel,suitable for mountain bike,700c road bike, folding bike size between 16-29"..
✔QUALITY ASSURANCE:We are very confident in the quality of our products. We promise that if there is any quality problem, we will provide free return and exchange services..
AQUANEAT Aquarium Bio Sponge Filter Breeding Beta Shrimp Nano Fish Tank Water Corner Filter 90 Gallon
New design: quarter-cylinder shape increases the surface area to get a better water and oxygen exchange rate. It also make the filter easy to hide in the corner of a tank.
Sponge filter provide both mechanical and bio filtration, also, the air infusion chamber produces minute bubbles which increase the oxygen solubility.
Safe for fish: soft sponge material, traps floating debris and won't suck up your fish, excellent for small size fish like betta, dwarf cichlid, guppy, killifish etc., or for hatcheries, maternity tanks, and fry tanks, as the filter produces minimal current and has almost no way to suck the fish through the filter.
Easy to set up & clean: simply install an airline into the unit and turn on the air pump, simply rinse and squeeze sponge in tank water.
