Uxcell a14071600ux0664 Swivel Caster Wheel Black Rotary Swivel Brake LOCK Caster For Furniture Trolley 4Pcs Product Name : caster wheel;material : plastic, metal Color : black;wheel size : 40 x 20mm/1.5" x 0.8" (d*t) Screw holes distance : 45 x 30mm/1.4" x 1.2 inch (l*w);holes size : 8.5 x 6mm/0.33" x 0.24 inch (l*w) Top plate size : 60 x 45X 2mm/2.4" x 1.8 inch x 0.08 inch (L*W*T);total height : 60mm/2.4" Weight : 912G;Package Content : 4 x swivel caster wheel