<B>Specification: </B><br> Material: Rubber Wheel, Steel Top Plate<br> Wheel Diameter: 4inch/10cm<br> Wheel Width: 1.25inch/3.2cm<br><br> Top Plate Size:3.74" (95mm) x 2.6" (66mm).<br> Hole center to hole center:2.93" (74.5mm) x 1.8" (45mm). <br> Mounting hole dimensions: 0.33" (8.5mm) x 0.46" (11.9mm)<br> Total Height: 5.15inch/13.1cm<br> Load Capacity: 2200LB (550*4) <br><br> Package Content: 4 x Casters (no screws) <br><br> <B>Notice: </B><br> 1.Please allow slight measurement deviation for the data. <br> 2.Please contact me feel free if you have any hesitation about the product<br>