Product Description Medical Central Locking Caster Wheel Diameter 125mm Tread width 17mm Caster width 75mm Stem diameter 28mm Stem Length 96mm Offset 38.5mm Swivel Radius 101mm Swivel Interference 202mm Overall Height 152mm Temperature -30/+80? Standard EN12531 Weight 1.05KG Dynamic Load Capacity 100KG Static Load Capacity 125KG Product Name Medical Central Locking Caster Wheel Material TPU Wheel Diameter 125MM Description 1.Smooth integrated central locking selection for directional, total free and total lock 2.The caster’ housing , wheel cap are made of high quality Nylon-PA6,durable TPU wheel tyre has excellent features in chemicalresistance. Sealed design to protect against spray water, dust and hair, also, make the caster easy to clean. 3.Swivel and wheels with precision ball bearings perform quiet and smooth moving. The strong inside construction for long life usage. 4.All of our Materials comply with ROHS requirement and testing meet EN12531 standard for hospital beds.