About this item Package include: 4 Pcs 75MM Transport Roller(2 Pcs Swivel Caster + 2 Pcs Swivel Caster with Brake); Dimension : Wheel diameter: 75mm; Wheel width: 21mm; Total height: 95mm; Plate size: 81x67mm; Plate hole spacing: 60x45mm(long hole); Diameter of screw holes: 8.5x13mm; Loading capacity: 50KG per roll, total capacity 200KG; Attention: It is the ideal load bearing for the rollers in static condition or in regular operation; Perfection of performance: The wheel body is made of rubber and is characterized by the absorption of shocks, resistance to wear, resistance to cold and heat. The double brake design: the brake pedal is pressed; wheel and brake plate stop at the same time to protect floors and reduce noise. Thanks to the galvanized steel plate, the casters are not limited by time and can be used both indoors and outdoors. Durable Wide range of application: Transport casters are widely used in furniture industry, logistics, industry, etc. and s