Nippon Labs 4 Inch Swivel Caster Wheels with 2 Brakes + Screws, No Noise Wheels, Heavy Duty - 300 lbs. Per Caster Black (Pack of 4)

Nippon Labs 4 Inch Swivel Caster Wheels with 2 Brakes + Screws, No Noise Wheels, Heavy Duty - 300 lbs. Per Caster Black (Pack of 4) Type: Chair Wheel Specification: Wheel material: PVC wheel + Steel bracket Wheel diameter: 4inch/100mm Plate size: 64 x 94mm Hole distance: 44 x 74mm Hole diameter: 8 x 12mm Bearing: double bearing Load capacity: 300 Lbs per Caster Package list: 2 pcs swivel + 2 pcs brake +16 screws + 16 pcs nuts + 2 spanners