Core Flex Strain Relief Quick Fit A23M This is a Quick Fit Cord Grip that can be fitted to the flex after it is connected to the lampholder. The Strain Relief Quick Fix loops onto the cable and then the plastic end is pushed through to lock it in place (see the additional images to see the strain relief in use). It can be removed or repositioned if needed. Can be used with flat or round cables up to 0.75mm Spec: Total Length: 35mm Length (excl. plastic strip): 15mm Width: 26mm Inner Loop Width: 18.5mm Inner Loop Length: 7.7mm Thickness: 3mm Material: Plastic Colour: Black See Additional Images for Diagram with Complete Dimensions.