Product Details : <Features>1. Applied to wide range of torques by regulating air pressure. Good for quick braking and tension control. 2. Easy installation and replacement. 3. By using hand brake and spring compression, it is possible to keep control power without air pressure. It is also possible to get necessary torque with temporary adjustment and it lasts long. <Specification>Model: CBH-100 Usable Disk Dia: Φ150 ~ Φ500 Disk Thickness: 10 mm Max Working Air Pressure: 7kgf Pad Size: (length*Width*Thickness) 70*45*22mmWear Allowance of Pad: 4 mm Weight: 5.2 kg Brake Torque (Φ250): 10 kg.m