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.Made of bearing steel and Engineering plastics.
4.OD:8mm, ID:32mm, Thickness: 12mm, Pulley Sphere Radius of Curvature: 8mm, Load-bearing: 191KG.
5.Suitable for Doors and Windows.

Specifications:
Material: Engineering plastics + Bearing Steel
Color: Black + Silver
Brand name: Unbranded
Load: 191KG
Pulley Sphere Radius of Curvature: 5.5mm
Size: 8 x 32 x 12mm/0.8 x 3.2 x 1.2cm/0.31 x 1.26 x 0.47 inch(ID x OD x T)
Weight: 72g

Package include:
4 x Bearing Pulleys