Versatility--- As tool accessory, this rivet gun can be combined with various types of power tools, perfect tool for your home DIY or outdoor use. Accessory--- 4pcs Nozzle size are 2.4mm, 3.2mm, 4.0mm, 4.8mm. They applied to different sizes of rivets Easy to install and open--- Easily install power rivet adapters on cordless or roped drills. 2pcs wrench can open the head easily when get stuck Long life--- All metal construction designed internal; 4pcs Threaded Head for replacement. It is convenient to change when broken Convenient--- Excellent ergonomics, great strength and great added features. Ensures high productivity and improve your return on investment Multi Function---This riveting adapter can turn your cordless drill into a handy riveting tool, quite practical.