Park Tool TNS-4 Deluxe Threadless Nut Setter

Set star-flanged nuts like a boss. Screw the nut on the tool, slide the guide over the steerer tube, tap it in with a hammer and voilà. The tool ensure the nut is set to the perfect depth and that it remains staight, every time.

• Use for 1 and 1⅛ threadless headset systems
• Unique design eliminated pinched fingers