Hand riveter set of 4 sizes rivet nozzles 2.4 mm 3.2 mm 4.0 mm 4.8 mm specification   *sets 3/32", 1/8", 5/32", 3/16", blind rivets without adjustments merely by changing quick - switch, screw-in nozzles. *interchangeable nozzle bushings fit right on the gun. *spring-loaded handle for the automatic ejection of the mandrel. *smooth, easy, one-handed operation. *contour grip handle with vinyl cover for added comfort..