Specification: Color: Silver Material: Alloy rubber Overall Dimension : 4" x 4" x 8" Caster diameter: 4" Expanding stem diameter: 1.5" Expanding stem height: 3" Overall height: 8" Net weight: 8 lbs Each caster weight capacity: 300 lbs Package includes: 4 x Casters Description: Use this flexible casters to your kitchen or work table and it shall bring you much more convenience in moving them. Delicately crafted alloy material they're able to bear a high load amount while remaining extremely durable. Its 360° swivel action allows it for an unrestricted degree of motion and reduces required effort. These casters are capable of being installed into any sort of work benches art tables industrial or residential items. Needless to say its design allows it to produce less noise during movement in any sort of surfaces. And still rolls with a great stability. Furthermore 2 casters consist of safe brakes to prevent motion upon your demand. Installation is fairly easy as well since they’re delivered fully assembled. If you are looking for it why wait to get such an effective device? 360° Swivel casters for flexible quick and effort saving movement 2 with locking brake to help you keep the devices in position. Premium alloy material for superior sturdiness and durability. Rubber wheels ensure durability for their wear resistant surface. Non-marking wheels cause less damage to floor. Rolls smoothly on any given surface with less noise possible Ideal for work benches art table and other items with 1-1/2" round table legs. Fully-Assembled design and easy to slide into table legs. Dual ball bearing for higher load bearing capacity and rolling stability