Stainless Steel Swivel Castors with top plate in material quality 1.4301. Swivel head with double ball race which is sealed to protect against dust and dirt. The top plate with four bolt holes is directly riveted to the fork to ensure smooth movement with minimal tolerances in the swivel head. The series LI is suitable for manually moved loads up to 400 kg. DS wheels have a pearl ruby red running surface made of thermoplastic Polyurethane (TPU) in 96 Shore A directly injected on a Polyamide (PA 6) wheel centre. The wheels are with stainless steel roller bearings.