PLATE SIZE: 2.55" (65mm) X 3.7" (94mm). Hole Center To Hole Center: 1.77" (45mm) X 2.95" (75mm). 4 inch Caster Wheels Combo.360-DEGREE MANEUVERABILITY: These polyurethane caster wheels equipped with 360 degrees swivel bracket, the wheels can turn to any directions. Smooth and Silent and Sturdy. Capacity: 300lbs each wheel. Move the light furniture, table, cabinet and equipment to the destination more easily and flexibly.MOUNTING HOLE DIMENSIONS: 0.32" (8.3mm) X 0.46" (11.9mm). Caster Wheel Width: 1.25" (32mm). Overall Height: 5" (127mm). Caster Wheel Diameter: 4" (101mm).WHEEL MATERIALS AND PERFORMANCE: Heavy duty casters made of polyurethane wheels. COLOR: Red. Ball bearings: Double ball bearings. Premium Caster wheels are made of high quality polyurethane wheels with strong abrasion resistance, silent shock absorber, wearproof, no drag marks and enhance the impact resistance of the whole caster.SPECIFICATIONRotate 360 degreesSmooth and Silent and SturdyCapacity: 300lbs each caster wheelPlate Size: 2.55" (65mm) x 3.7" (94mm)Hole center to hole center: 1.77" (45mm) x 2.95" (75mm)Mounting hole dimensions: 0.32" (8.3mm) x 0.46" (11.9mm)Overall Height: 5" (127mm)Caster Wheel Diameter: 4" (101mm)Caster Wheel Width: 1.25" (32mm)Caster Wheel Material: PolyurethaneCaster Wheel Color: RedBall bearings: Double ball bearingsPACKAGE INCLUDES:8 x Caster Wheels (4 With Brake & 4 No Brake)Hardware kit