Brass Cup, White Wheel Polished brass Cup fitting castors, sold in sets of four. Only available in the follow size. 1″ 1/4 [32mm] Measurement is taken from the diameter of the wheel. Category: Castors & Glides Related products Brass Round Cup Fitting View product Brass Screw Fitting View product Polypropylene Castors View product Brass Screw, White Wheel View product