The Table Clamp can attach to almost any table top without damaging the surface. (Weighs just 1.5 lbs.) Listing includes the Table Clamp and the Frame Clamp. Table clamp can be combined with the Scroll Frame, Q-Snap Holder, or the Belt Scroll Frame, each purchased individually and are not included in this listing. Frame Clamp and all other clamps can be combined with the radial arm for added reach and adjustability.