The RAM Tough-Claw is the perfect mounting base for quick and easy tool-less installation and removal on round, square, odd shaped rails and bars. The Tough-Claw can be clamped on rails from 0.625" - 1.5" outer diameter. Ideal for mounting smart phones, tablets, GPS, action cameras Choose from our selection of RAM arms and bases to complete your own custom kit Or check out some of our RAM Mount Tough-Claw kits: 754-629