Protects the lifeline of your electric/electronic products by absorbing the forces of pull, push, and twist that may be exerted on the flexible power cord. Securely anchors, insulates, and protects cable at panel entry points. Sizes SR 2-Series to SR 6-Series for mounting hole diameters from .375" (9,5 mm) to .500" (12,7 mm). Corresponding Mounting Hole Plugs can be used to fill blank/unused Mounting Holes and thus allow for a single panel design for multiple applications. For SR assembly tools, click here. For Double D Mounting Hole Punches, click here.