Thon Wheel Board with Brakes, Roller Board, 2 braked and 2 unbraked castors, 4 x 100 mm castors with blue elastic tyres, Sheet steel housing, Zinc-plated, Swivel bearing with double ball-cage assembly, Swivel bearing protection, Wheel centre made of polyamide, Bolted wheel axles, Roller bearing, Dimensions (W x H x D) 53 x 14.6 x 53 cm, 450 kg load capacity per set, Includes fixing material for rack mounting, Made in Germany