Twin Wheel Caster Solutions TWUN 75U T17 BK 3 Diaeter Nylon Wheel... With castor load ratings from 1,100kg each up to 4 tonnes each, these fabricated casters are the backbone for gantry's, cargo and docks, refineries, marine... Heavy Duty Twin Wheel Twin Wheel Caster Solutions TWHN 40N G24 BK 1.57" Diaeter Nylon Wheel 3 Inch Swivel Caster Unhooded Swivel Twin Wheel Caster , 75mm (3) Wheel , Nylon Hidden within the caster is a hardened steel zinc plated axle, something you will never see but should not go unnoticed. Furthermore, our nylon wheels are truly 100% Nylon with no added fillers. Not only do we proudly focus on manufacturing the highest quality casters, no detail is left unnoticed. Go ahead and give our twin wheels a try, you’ll be glad you did. Unhooded Twin Wheel Caster (Soft Wheel Additionally our urethane wheels boast a thick urethane tread wrapped around a 100% nylon core ensuring the perfect non-marketing soft wheel designed to last for years to come. Twin Wheel Caster Solutions sets itself above the rest by our devotion to reliability; amazingly fast shipping times and excellent customer service.