Park Tool

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

The Park TNS-4 is set up to take the alignment problems typically found in the installation of star nuts out of the equation.  With the TNS-4's built in slide hammer it insures proper alignment of the start nut during installation every time. If you ever end up bending or breaking the set screw it is replaceable with part number 822.  A must have for any serious mechanic or novice hoping to get professional results on the first try!

• 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
• Makes for quick and easy installation of 1" and 1 1/8” star fangled nuts into threadless steer tubes
• Perfectly aligns, guides and sets correct depth of star fangled nut
• Replaceable set screw # 822