High Quality, Use Iron + Nylon material Used for Sliding door , cabinet furniture etc Material: Iron + Nylon Hole to hole: 44mm (1.73 inch) Wheel Thickness: 5mm (0.20 inch) Size: Approx 56x8mm (2.20 x 0.31 inch) Model: Wardrobe Sliding Door Roller Door window single roller pulley wheel Designed with a nylon roller and bracket Easy and convenient to use An perfect accessory for your door, drawer or windows Color: Silver Package Contents: 60 x door pulley wheel Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.