Description Pack of 4 Rubber Tyre Castors Upgrade your trolleys, shelving, or storage units with this pack of 4 high-quality rubber tyre castors, designed and manufactured in the UK. Each set includes 2 braked and 2 unbraked castors, giving you full control over mobility and stability. Constructed from durable black rubber with a zinc-plated finish, these castors are moisture resistant, offering protection against rust, rot, corrosion, and mild acids and alkalis — perfect for demanding environments. Each wheel measures 100mm in diameter and 30mm wide (M12 bolt hole), supporting up to 150kg in total. Whether for industrial or domestic use, these castors provide a smooth, reliable performance on a variety of surfaces. Enjoy free UK delivery (excludes Northern Ireland, Highlands & Islands) and peace of mind with a 12-month product warranty (terms apply). A practical, durable solution to keep your units moving efficiently.