o XL model makes setting even extra large rivet nuts like 1/2 and M12 a breeze o Six interchangeable mandrel/nosepiece sets in Metric and SAE sizes: M8, M10, M12, 5/16, 3/8, and 1/2 o Tool-Less Quick-Change Head design allows for easy changing of mandrels and nose pieces by hand o Disassembly of tool never required, unique spring loaded inner hex sleeve automatically locks the rotation of hand installed mandrels o Includes 10pc rivet nuts of each included size o XL handles and hinge system multiply input force more than any other model