Uxcell a15072400ux1377 25mm Dia Nylon Wheel Cabinet Sliding Door Window Roller Pulley 12 Pcs (Pack of 12) Package Content: 12 Pcs x Door Wheel ; Weight: 182g Material: Metal, Nylon ; Product Name: Door Wheel Dimension: 62 x 25 x 10mm/ 2.2" x 1" x 0.4" (L*W*H) ; Main Color: White, Silver Tone