Instant Mobility: This four heavy-duty caster wheels is designed for instant mobility. With a stem mount (5/16inch, length 0.98inch) attachment, they quickly and securely attach to small and medium-sized , furniture, and other commonly found items in workshops, garages, kitchens, and offices.High Load Capacity: Each caster wheel in the set has a maximum load capacity of 150 lbs., allowing for a total capacity of 600 lbs. when used together. These reliable casters are built to handle heavy loads and provide wheeling action on hard, surfaces such as concrete, while maintaining stability with their double lock mechanism.Quiet and Movement: Enjoy quiet and movement with these casters. Their non-marring polyurethane wheels silent operation, making them suitable for environments, including warehouses, shops, restaurants, schools, and hospitals. Say goodbye to vibrations, rattling, squeaking, and other disturbances during transportation.Enhanced Stability and Safety: The caster wheels are equipped with a double lock mechanism, ensuring both the wheel and the swivel bearing are locked simultaneously. This essential feature provides enhanced stability and safety during use, giving you peace of mind in any setting. The set includes four locking nuts for easy installation.Versatile Applications: The possibilities are endless with caster wheels. They can be effectively used on workbenches, instrument cases, art tables, and a wide range of other furniture and carts. Wherever mobility is needed, these casters provide a quick and convenient solution, allowing you to move your items with ease.Mounting Type: Stem MountStem Diameter: 5/16inchStem Length: 1inchCaster Diameter: 2inchSwivel Casters with Brake: YesNo Noise Polyurethane Castor Wheels: YesMaxLoad Capacity: 150lbs/wheelEnjoy a hassle-free installation process with these stem-mounted casters. Simply attach them securely to your desired surface and experience improved mobility and convenience.Color: BlackMaterial: steelPackage Contents:4PCS x caster wheels heavy dutyOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.