uxcell Door Window Cupboard Drawer Single Sliding Roller Pulley Wheel 20pcs Package Content: 20 x Door Window Pulley; Weight: 200g Material: Metal, Nylon; Product Name: Door Window Pulley Dimension: 34 x 22 x 22mm/1.3" x 0.87" x 0.87" (L*W*T); Main Color: Silver Tone, White Roller Dia.: 22mm/ 0.87"; Hole Dia.: 5mm/0.2" Hole Center Distance: 21mm/ 0.83"