Solid rivet kit designed to install AN470 series aluminum rivets in steel, aluminum . Used to structurally join panels for underhood, door skins, interiors, etc. Kit includes all components required to drive AN470 ( round head) rivets in both 1/8 and 3/16 inch diameter. These are the same rivets used on aircraft and high performance race vehicles. Complete instructions included with kit. Kit includes: Professional pneumatic rivet gun 1/8 inch and 3/16 inch rivet sets for round head rivets Universal bucking bar 1/8 inch and 3/16 inch Cleco kit 1/4lb of 1/8 inch and 3/16 inch rivets in 3/16 Please view instructions tab for further information and tips