Furniture Trolley Carts 1" 25mm PP Wheel Swivel Top Plate Caster 4pcs Mounting Hole Dia: 4mm/ 0.16"; Mounting Hole Spacing: 28 x 22mm/ 1.1" x 0.9"(L*W); Top Plate Size: 38 x 32mm / 1.5" x 1.3"(L*W) Color: White, Silver Tone; Main Material: Polypropylene(PP), Steel Package Content: 4pcs x Caster Wheel; Product Name: Caster Wheel Weight: 146g; Main Color: White, Silver Tone Overall Size: Total Height: 36mm/ 1.4"; Wheel Size: 25 x 12mm / 1" x 0.47" (D*T)