RAM Large Tough-Claw Clamp base with 1.5" Ball for Rail, Post, Tube

Features: Fits round, square, odd shaped rails and bars from 1" to 2.25" (outer diameter)* Quick and easy installation and removal - no tools required Rubber pads provide stable, even grip and protect mounting surface Dimensions:  Height -  6.56";  Width 2.25" Fits RAM 1.5" (C size)socket arms Constructed of high strength glass filled nylon with corrosion resistant stainless steel hardware Works on the yoke of an aircraft, handlebars and seat posts of bicycles, kayak rails, roll bars and more Holds up to 4 lbs. Made in the USA   * Clamping range for flat surfaces is 1" - 2.2"   Brand: RAM Mounts Part number: RAP-401U Warranty: Manufacturer's lifetime warranty