High Working Pressure: 1/2" to 2" 235psi @ 73F degree 2 1/2" to 4" 150psi @ 73F degree Low Torque, easy to operate. Quality guarantee: 100% factory tested no leak before delivery. Range of Size: 1/2" to 4" (2 1/2" to 4" is in lever handle type.) Connect Type: Socket or Thread Diameter: DIN, BS, ANSI, JIS / BSPT, NPT Its Material Is PVC resin Rapid 1/4-turn on/off control. Durable PVC body and rugged ABS handle.