Office Chair Trolley Carts 25mm PP Wheel Top Plate Fixed Caster 2pcs Main Material: Polypropylene(PP), Steel; Package Content: 2pcs x Caster Wheel; Product Name: Caster Wheel Weight: 44g; Main Color: White, Silver Tone; Overall Size: Height: 36mm/ 1.4" Wheel Size: 25 x 12mm / 1" x 0.47" (D*T); Mounting Hole Dia: 4mm/ 0.16" Mounting Hole Spacing: 27mm/ 1.1"; Top Plate Size: 36 x 21 x 28mm / 1.4" x 0.8" x 1.1"(L*W*H) Color: White, Silver Tone; Total Size: Total Height: 36mm/ 1.4"