EUROLITE Swivel Castor for STV-250 with Brake is a lockable swivel castor designed for use with the STV-250. It features a double-action brake that locks both the wheel and the swivel mechanism. The housing is made of zinc-plated steel. The castor is grey, uses an M10 mounting screw, and measures 14 cm in length, 5.5 cm in width, and 16 cm in height. It has a 10 cm diameter and weighs 0.76 kg.