This Star brite extending handle is super strong yet lightweight, constructed of aircraft-grade; triple anodized aluminum. The included glass-reinforced nylon hook is unbreakable for years of trouble-free use. Designed for easy line handling and pick-ups. Quick connect/disconnect allows use of all Extend-A-Brush accessories. Stainless steel push button quick connect/disconnect allows for instant attachment of all Extend-A-Brush accessories. 1” outer diameter with 7/8" insert Lightweight, yet incredibly strong; special air chambers so it will float if dropped overboard.