Included 3 kinds of heads 1/4-20, 5/16-18, 3/8-16 and equipped with 5pcs replacement mandrels of each size. Self-locking head allows you to quickly assemble and disassemble.
Cast aluminium housing and alloy steel connecting rod, makes higher accuracy, strong wear resistance and long performance life.
Anti-slip handle with ergonomic design makes the rivet nut gun comfortable to hold and the shockproof design eliminates the impact on arm during operation.
Air pressure torque can adjusted by built-in air regulator. Embedded muffler vent to reduce noise during work.
Forward and reverse trigger makes easy to operate with one hand and the hanging ring at the top for easy storage.