This Vicrez vzt109 Rivet Gun Nut Tool allows you to easily install threaded nuts, even when only one side of the material is accessible, simply by drilling a hole in the the surface (metal , aluminum, wood, plastic) you intend to add the rivets. The riveter kit contains a heavy duty setting tool; four nosepieces; and ten each of 6-32, 8-32, 10-24, and 1/4-20 inserts. Highly recommended for the installation of wicker bills/ wickerbill, wide body fender flares, etc.