Machinery Roller Ball Casters Long Time Use Threaded Design 4Pcs for Workbench

These are ball casters that can rotate 360 degrees, suitable for use in processing machinery, furniture, machinery, toys, and so on. Smooth-moving these ball bearing rollers can be used for long time. Small size, light weight, these ball bearing rollers are easy to use, time and efforts saving. Features - Color: Silver. - Material: Carbon steel. - Size: About 3.30X1.20X1.20cm/1.30X0.47X0.47in - Made from sturdy material, these ball bearing rollers move quietly and safely, support long time using. - 360 degree rotation, flexible rotation, metal ball rollers can bring you much convenience to use. - Excellent bearing capacity, rotation ball casters are not easy to deform or break, very stable. - Practical metal casters can be use for workbench, and other small device, threaded design, can be installed firmly. - Small size, light weight, the rotation ball casters are easy to use, take, bring you satisfying using feeling. Package list: 4 x wheels