Arrow 3-in-1 Rivet Gun, One-handed Headless Pop Rivet Gun Kit With

No Need to Change Head: The Arrow Headless One-Handed Rivet Tool automatically switches between three rivet sizes - 1/8" (3.2 mm), 5/32"(4.0 mm), 3/16"(4.8 mm) – eliminating the need to swap threaded heads for different rivets.