Arborist-specific: The Totem was designed to be the most versatile rigging and rappelling tool available. It can function as a rigging plate, an easy-to-lock-off figure 8, stitch plate, auto-blocking plaquette device, and many other configurations. Although designed originally for canyoneering, the Totem is a valuable tool for rock climbing, mountaineering, caving, rappelling and rescue. Features & Specs: MPN: F10 MBS: 30kN Weight: 4.5 oz (128 gm) Height: 7.5” (190 mm) Width: 2.5” (64 mm) Max Rope Diameter (Single Rope): 13 Max Rope Diameter (Double Rope): 10.5