RockNRoller RCSTR4X1 4""x 1"" Casters w. Br.
RockNRoller RCSTR4X1 4""x 1"" Casters w. Br., Castors with Parking Brake, Set of 2, Yellow replacement castors with parking brake, For the trolley models R2 and R6, Polymer hub with soft tread made of thermoplastic rubber, Ball-bearing steering, Thread length: 4 cm, Dimensions: 101.6 x 25.4mm (4"" x 1""), Shipping Quantity: Set of 2