Spanner Nut Thread Chaser
This tool will repair / clean the corroded or damaged threads of a Mercury 4.375″ case. Made of heat treated high grade tool steel.
Use P/N 93-1417-983110 with this chaser and for removal of retainer nut.
For a replacement nut use our316-14-751 ( 79448, 8M2011027, 9-72155, 18-3751 )
