Park Tool TNS-1 Threadless Nut Setter

The Threadless Nut Setter is used to install the star-fangled nut found on 1 and 1-1/8 inch threadless headset systems. Thread the nut onto the TNS, insert into the fork stack, and tap it in with a hammer. Sets the starfangled nut to 15mm and keeps it straight. Long handle helps prevent pinched fingers. Weight: 1.6 lbs (725 g) Starnuts not included.

The product weight specified is an approximate weight based on the manufacturer’s specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.

Specifications