Extensive used: 4 swivel casters perfectly fit for workbench, cargo rack, flatbed truck, transport cart, trolley, food service cart. Easy to use and install, suit for hardwood, laminate, tile, slate and all other hard floors. Universal casters: 360-degree rotation and flexible swivel plate brings smooth scrolling and easy transition to any direction you want. Convenient and easy to move heavy objects. Premium and durable: single wheel load capacity of 300 LB and total 1200 LB for 4 set. High-quality polyurethane casters slid quietly and smoothly and will not leave any scratches on the wheels or floors. The orange casters are more apparent, making it easier to notice moving objects and ensure safety. Double locking brake, the wheel and the shaft are locked at the same time, effectively ensuring that the object does not move when parked. Package: 4 set of casters. Wheel width: 1.3 (32mm), wheel diameter: 4 (100mm), total height: 5.1 (130mm), top plate size: 2.4 x 7.4 (65x95mm), mounting hole diameter : 0.3 x 0.42 (7.4x11.8mm), hole spacing: X=1.78, Y=2.90 (X=45mm Y=75mm). Product color: orange Delivery Quantity: 1 Piece Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store