Product Name: Caster Wheel;Material: Plastic, Metal;Color: White, Silver Tone; Wheel Size: 2.5 x 1.3cm / 1' x 0.5' (D*H);Screw Holes Distance: Swivel Caster: 3.0x 2.4cm / 1.1' x 0.9' (L*W) ;Fixed Caster: 2.3cm / 0.9' Holes Diameter: 0.5cm / 0.19';Top Plate Size: Swivel Caster: 3.8 x 3.2 x 0.1cm / 1.5' x 1.3' x 0.04' (L*W*T);Fixed Caster: 3.6 x 2 x 0.1cm / 1.4' x 0.8' x 0.04' (L*W*T) Total Height: Swivel Caster: 3.8cm / 1.5';Fixed Caster: 3.8cm / 1.5';Weight: 115.7g Package Content: 2 x Swivel Caster;2 x Fixed Caster