Type: M20, Single Hole; Cable Range: 6mm-12mm/0.24inch-0.47inch. Thread Diameter: 20mm / 0.79' ; Thread Length: 10mm / 0.39'. Cable joints are made of high quality nylon plastic, anti-loose structure, reliable connection and long service life. Can be inserted directly and easily tightened without disassembly. It consists of a lock nut, valve body, seal and sealing nut. Great accessory for cable fixing, wiring, mechanical control box, switchboard, electrical appliances, etc..