Uxcell a11060300ux0552 Fixed Caster 4 Pcs 1.2 inch White Plastic Tire Silver Tone Fixed Top Plate Castor + Swivel Caster Product Name : caster wheel;material : plastic, metal;Color : white, Silver tone Wheel size : 3 x 1.4cm/1.2" x 0.6 inch (d*h);screw holes distance : swivel caster: 2.5 x 1.9cm/1" x 0.7 inch (l*w) ;fixed caster: 2.3cm/0.9" : fixed caster: 2.3cm/0.9" Holes diameter: 0.2";top plate size : swivel caster: 1.5" x 1.3" x 0.04" (L*W*T);fixed caster:1.4" x 0.8" x 0.04" (L*W*T) : fixed caster:1.4" x 0.8" x 0.04" (L*W*T) Total height : swivel caster: 4.4cm/1.7";fixed caster: 4cm/1.6" : fixed caster: 4cm/1.6";weight : 132.3G Package Content : 2 x swivel caster;2 x fixed caster