Featuring ergonomic and heavy duty body made by zinc alloy diecasting and special gold-plated contacts that increase the conductivity. Reinforced nylon rear shell and PVC sleeve to provide excellent cable protection. Special inner strain relief for a simple and optimum tightening that allows to receive cables from 3 to 7 mm diameter. Color: matte nickel. Includes colored rings: grey, red and black. Now with an improved button for latch lock!