The clamping mechanism is a pistol grip, Quick Release type which allows fast setup and take-down. Special 409 blue Lock-Tite holds set screw in position but allows adjustment of clamping tension to individual preference. Heavy duty spring is recessed into handle for protection and does not come out during field use. The bottom aluminum section is carefully treated and polished prior to being electrostatically powder painted translucent candy apple red with precise striping in white. 5/8 x 11 mounting stud. Outer Pole Diameter is 11/4 (32mm) Includes Manufacturers 1 Year Warranty.