Product Description For safe work: the TNS-4 Deluxe Threadless Nut Setter by ParkTool With the TNS-4, the star nuts for threadless 1" and 1-1/8" headsets are quickly and easily placed in the steerer tube. The unique design with guide and hand guard guarantees perpendicular seating of the star nut and prevents injured pinched fingers. Features:for hammering in 1" and 1-1/8" headset star nutsdesign with impact protection, prevents injuries to the holding handManufacturer Number:TNS-4 Contents:1 x ParkTool TNS-4 threadless nut setter Manufacturer: Park Tool Company 1185 Eagle Lake Rd Shoreview MN 55126 USA info@parktool.com Distributor: GROFA Action Sports GmbH Otto-Hahn-Straße 17 65520 Bad Camberg Germany info@grofa.com