40mm Thin Adapter for 43300 Wrench set quickly removes and installs fan clutches when repairing or replacing the water pump, timing chain or the fan clutch. Set includes handle assembly, driving wrenches sizes: 1-9/16”, 1-7/8”, 1-1/2”, 2”, 32mm, 36mm, 41mm, and 42mm. Use with an air hammer. Blow molded case included. 43440 Yes -