Accessories: This Rivet Gun Cordless Electric Drill Set,4pcs Nozzle size are 3/32", 1/8", 5/32" and 3/16" They applied to different sizes of rivets. Excellent :Lower noise;Small size and easy to carry,more efficient Convenient: Quick release and installation. Excellent ergonomics, great strength and great added features. Multifunction: As tool accessory this rivet gun can be combined with various types of power tools. Long time: All metal construction designed internal; 3pcs Threaded Head for replacement. It is convenient to change when broken. size:long 160mm (There will be 1-2mm error due to manual measurement, please refer to the actual product, thank you ) weight:329g/set color: blue, black for your easy choice