J.w. Winco 19t2sns snsm-3-3/4×16-2-st “snap-lock” non-skid leveling mounts steel, threaded stud unlike the standard glue-on non-skid elastomer pad, this unique snap-on elastomer cup gives greater stability to non-skid application requirements. Especially durable when equipment needs to be moved or repositioned. Mount swivels 7 1/2 to all sides of the center line to adjust to uneven surfaces. features: leveling mount made of carbon steel with yellow zinc plated finish hardened stud with ball end is machined from solid bar non-skid cup pad neoprene rubber