Uxcell 4 in 1 Furniture Trolley Rotary Brake Fixed Swivel Caster Wheel Product name : caster wheel; material : plastic, metal Color : black; wheel size : 40 x 20Mm / 1. 6" x 0. 8" (dt) Screw holes distance : 45 x 30Mm / 1. 4" x 1. 2" (lw); holes size : 8. 5 x 6Mm/0. 33" x 0. 24" (lw) Top plate size : brake: 60 x 45x 2mm/ 2. 4" x 1. 6" x 0. 08" (lwt8fixed:60 x 40x 2mm/ 2. 4" x 1. 6" x 0. 08" (lwt); total height : 58mm 2 3" Weight : 700G; package content : 2 x brake caster Wheel2 x fixed caster wheel