About this item DimensionInstallation height: 38mm, wheel width: 14mm, wheel diameter: 30mm, base length: 38mm, hole pitch length: 30mm, hole pitch width: 24mm, hole diameter: 4mm. Protect FloorThese heavy duty castors are made specifically to protect hardwood, laminate, tile, slate, and all other hard floors Mobile StabilitySmoothly moved with no marking. These casters and wheels won't harm your wooden floor EXTENSIVE USEA Solid Solution for easily positioning your steel stand to any desired area. Withstands rigorous use in warehouses, shops, restaurants, schools, and hospitals. Really helps moving it without inducing vibration, rattling, squeaking, and other hazards and annoyances STRONG BEARING FORCEMax. Load of Each Wheel: 10KG/22lb; Max. Load of Two Wheels: 15KG/33lb; Max. Load of furniture moving wheels set of 4: 30KG/66lb. Please make sure that it suits for your project before ordering package:8pcs Wheel Note: Due to the different shooting angles and lighting angles of the images, the color of the actual object and the image may differ.