8 x Window Pulley: 6* white & 2* Black Door window single roller pulley wheel Designed with a nylon roller and metal bracket Easy and convenient to use Material: Metal + Nylon Product Name : Window Pulley Color : Black/White + Silver Size: 62 * 25 * 11mm Pitch of Holes (Approx.): 1.97inch / 50mm Hole Dia.(Approx.): 0.2inch / 5mm Roller Size (Approx.):0.98 x 0.24inch / 25 x 6mm (D*T)/ 29 x 8mm (D*T) Total Size (Approx.): 2.4 x 0.45inch / 62 x 11.5mm (L*W*H)/ 65 x 29x 13mm / 2.55 x 1.14 x 0.51 inch(L*W*H) Package Content :8 x Window Pulley 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.