Park Tool TNS-4 Threadless Nut Setter for 1" and 1-1/8"

Park Tool TNS-4 Threadless Nut Setter for 1" and 1-1/8". Park Tool Threadless Nut Setter

Used to install star fangled nuts into steer tubes on threadless headset systems

Star fangled nut threads onto tool and then tapped into steer tube with hammer

Inserts Star fangled nuts to recommended 15mm depth