DAOKAI

1.GT2 Timing Belt: Material: PU Length: 2m/78.74in Width: 6mm/0.23in Color: Black Feature: 1) Anti-wear and long service life 2) Good quality and more durable 3) Low noise, no slip, more stable transmission 2.GT2 Timing Belt Pulley: Material: Aluminum alloy Diameter: 16 mm Hole: 5mm Size: 16mm Teeth: 20 Color: silver Feature: 1) Stable performance and high efficiency 2) Low friction, higher speed, not easy to get hot 3) Reliable quality and durable 3.Copper Sleeve: Outer diameter: 6.5mm Wall thickness: 0.3mm Material: Copper Package includes: 1 x 2M GT2 Timing Belt 4 x 20 Teeth GT2 Timing Belt Pulley 10 x Copper Sleeve 1 x Allen Wrench