Features:
1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;
2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.
3.Diameter: 31mm, aperture: 7mm, thickness: 15mm, shaft size: 16x6mm (Dia x Height).
4.Timing belt: 3-5mm PU round belt.
5.Normally used as powerless spindle in DIY small drilling machines, milling machines, small lathes.
6.Package includes a V-type step pulley,two accessory screws and a wrench.

Specifications:
Material: Aluminum Alloy
Color: Silver
Brand name: Unbranded
Size:
Diameter: 31mm
Aperture: 7mm
Thickness: 15mm
Shaft size: D16xH6mm
Weight: 18 g

Package include:
1 x V-type Step Pulley
2 x Screws
1 x Wrench