uxcell 2 Pcs Beige Nylon Wheel Sliding Door Roller Window Pulley Silver Tone Product Name : Window Pulley;Material : Metal, Nylon Color : Silver Tone, Beige;Hole Sapcing : 5 cm / 1.97" Hole Diameter : 4 mm / 0.16";Roller Size : 25 x 6 mm / 0.98" x 0.24" (D*T) Each Size : 6.1 x 1.1 x 2.5 cm / 2.4" x 0.43" x 0.98" (L*W*H);Net Weight : 36g Package Content : 2 x Window Pulley