The Wyr-Grid® Intersection Bend Radius Control is a snap-on installation used in cable routing systems. It provides a 4 inch (101.6mm) bend radius, protects cables, and can be installed without cutting at tees, crosses, and right-angle intersections. It is 4 inches H x 8.2 L x 8.2 W (101.6mm x 208.3mm x 208.3mm).