uxcell Chair Furniture Trolley 30mm PP Wheel Top Plate Fixed Caster 5pcs Main Material: Polypropylene(PP), Steel; Package Content: 5pcs x Caster Wheel; Product Name: Caster Wheel Weight: 125g; Main Color: White, Silver Tone Overall Size: Total Height: 41mm/ 1.6"; Wheel Size: 30 x 14mm / 1.2" x 0.6" (D*T) Mounting Hole Dia: 4mm/ 0.16"; Mounting Hole Spacing: 25mm/ 1" Top Plate Size: 36 x 21 x 31mm / 1.4" x 0.8" x 1.2"(L*W*H); Color: White, Silver Tone