uxcell Sliding Door Window Axle Roller Wheel Sash Pulley 4pcs Gold Tone Product Name : Window Pulley;Material : Metal Color : Silver Tone, Gold Tone;Mount Hole Dia. : 4.5mm / 0.17" Roller Size : 11 x 11mm /0.43" x 0.43" (D*T);Total Size : 52 x 16 x 12mm / 2" x 0.63" x 0.47" (L*W*H) Net Weight : 67g Package Content : 4 x Window Pulley