Swivel castor with a Heavy Pressed Steel castor bracket, fitted with a high rebound blue elastic polyurethane 80 shore A on aluminium centre core wheel fitted with 2 precision ball bearings. These Swivel casters range from 100mm-200mm and have a capacity up to 800Kg per caster. Elastic polyurethane on aluminium centre castors offer high load capacity with light weight. They have excellent rolling resistance and offer floor protection. They are used where a light weight is critical but a high load castor is required. Typical applications are automotive, aviation or lifting equipment. Blue elastic polyurethane where once so expensive few could or would buy. Our aim has to always offer value for money our polyurethane is now become much more popular and the cost have come down. They are perfect suited to towing application they very versatile castor you want be disappointed. Our elastic polyurethane tyred wheels are manufactured using only the highest quality materials ensuring product satisfaction. Blue elasdtic polyurethane tyres provides a very smooth and cushioned ride and will help reduce any likely vibration and limit bracket fatigue.