Heavy Duty Thermoplastic Rubber Wheel 4 Pack, Moving Silent No Floor Marks TPR Swivel Castors With Brakes, For M12 Bolts Top Hole Type(Brake,100mm/4in)

【Size】Caster wheel diameter: 75/100/125mm; installation height: 107/132/157mm; top hole diameter: 12.2mm; single wheel load: 80/110/125kg 【Material】Thermoplastic rubber (TPR) casters, which have the wear resistance of plastic and the high elasticity of rubber, are shock-absorbing and buffering when moving, do not damage the floor, and leave no scratches 【Smooth】The furniture casters have built-in high-strength solid steel balls and precision ball bearings, allowing the casters to rotate smoothly and flexibly, reducing wear caused by rotation and improving responsiveness under load. 【Double Lock】The brake caster can lock the wheel and steering at the same time when braking, keeping the caster firmly in place, effectively preventings the caster from rotating randomly, for better safetys and peace of mind Easy to Install and Versatile Applications: Installation is hassle-free, Perfect for a wide range of uses including carts, furniture, workbenches, trolleys, both indoors and outdoors. These industrial caster wheels provide reliable mobility and are designed to withstand heavy loads while protecting your floors.