These gears are used in laboratories, science education, and DIY models and RC-airplane/helicopter repair, as well as many household repairs like old music system etc. its a great toolkit for promoting DIY abilities, improving children’s, teen’s hands-on skills and divergent thinking.

• Material: plastic;
• Colour: white, orange, Blue, yellow

8mm Bore Inner Ball Mounted

1. Type: KP08
2. Material: zinc alloy
3. Bore Diameter:8mm
4. Mounting Hole Diameter: 5 mm
5. Durable with high precision
6. Can withstand great weight

696ZZ Bearing 6x15x5

1. Model: 696ZZ
2. Inside diameter (ID): 6 mm.
3. Outside diameter (OD): 15 mm.
4. Width: 5 mm.
5. Weight: 16 gm. (Each has 3 gm).

GT2 Close-Loop Rubber Timing Belt

• Pitch: 2mm
• Material: Neoprene Rubber With Fiberglass Core
• Width: 6mm
• Total Length: 188mm
• Belt Height: 1.52 mm
• Tooth Height: 0.76mm
• Shape: Closed Loop

606ZZ Bearing 6x17x6

1. Model: 606ZZ
2. Inside diameter (ID): 6 mm.
3. Outside diameter (OD): 17 mm.
4. Width: 6 mm.
5. Weight: 5 gm (each)

Features :

1. Smooth surface
2. Durable
3. Lightweight