The Tether Tools Rock Solid Mini-ProClamp is a lightweight aluminum grip tool intended to aid mounting of a variety of items to flat or round surfaces from 0.5" to 1.5" in diameter or thickness. The clamp has an oversized, sliding bar handle for quick locking and a rubberized, grippy claw interior to protect the finish of the items you are clamping to. The Mini-ProClamp's female 1/4"-20 and 3/8"-16 threaded sockets accept a wide variety of grip accessories such as studs and articulating arms. Uses include mounting cameras, phones, iPads and lights to overhead pipe, tripod legs, furniture, bikes and other sports and exercise equipment.