Heavy Duty Thermoplastic Rubber Wheel 3 4 5 Inch 4 Pack, Moving Silent No Floor Marks TPR Swivel Castors With Brakes, For M12 Bolts Top Hole Type Swivel Caster Wheel

【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 【Details】4-piece set of top-hole replacement casters. M12 type hexagon socket head bolts or hex head bolts can be used. Can be used for moving carts, workbenches, furniture and other objects, very suitable for DIY enthusiasts