Unitacker 5-in-1 staple gun is able to fire both FINE (lightduty) and FLAT (heavy duty) staples on ONE staple tacker by switcha knob in the front cover to the right position afterputting the staple into the magazine.

Suitable staples

Rapid #53/#13, Arrow JT21 - 6 to 14mm

Rapid #140, Arrow T50 - 6 to 14mm

Rapid #36, Arrow T25 - 10 to 14mm

Bradnail - 15mm

Headless pin - 15mm