MATERIAL & PROCESS UPGRADE: NINOSO casters set of 4 heavy duty are made of top quality Rubber material, which has strong wear resistance, silent and shock absorption, no-marking and enhances the impact resistance of the whole casters.

PERFECT SIZE DESIGN: Top Plate Caster Dimensions: Length: 3-5/8", Width: 2-3/8". Hole Spacing: 2-3/4" x 1-3/4". Rubber caster wheel size: 4" X 1-1/4". Overall height of casters: 5-1/16". The Heavy duty industrial caster set of 4 are easy to install, so they won't take up too much of your time.

CASTERS SET OF 4: Plate Rubber Casters set includes 2 swivel caster wheels & 2 rigid caster. Each Caster wheels for furniture has a weight-bearing capacity of 300 lbs. (1200 lbs. for set of 4).

UNIVERSAL: Industrial Rigid Caster saves you labor, while enhancing your work efficiency and offers versatility for an assortment of indoor and outdoor carts, wagons, dollies and other moving applications that require the ability to roll smoothly over any surface

SMOOTH & QUIET: The rubber furniture casters with has two bearings to reduce vibration for a smooth, quiet, and mark-free gliding experience on a variety of floors. It is ideal for furniture wheels, carts and protects floors. Easy to install.