Xl Nut/Thread Setting Hand Riveter Kit 1/2 Cap.Mfr #: 1452 XL model makes setting even extra large rivet nuts like 1 2" and M12 a breeze 6 interchangeable mandrel nosepiece sets in Metric and SAE sizes: M8, M10, M12, 5 16", 3 8", and 1 2" Tool less Quick Change Head design allows for easy changing of mandrels and nose pieces by hand Disassembly of tool never required, unique spring loaded inner hex sleeve automatically locks the rotation of hand installed mandrels XL handles and hinge system