A combined set of 9CL-61601 and 9CL-61640.; Filter wrenches are forged, with enhanced strength.; Special teeth design grips oil cartridge housing firmly without sliding.; 64.5 mm x 3/8" DR x 14 flutes.; Aluminum with chrome surface.; Torque 25 ± 5 nm.; Application: 9CL-61640: 4 cylinder engines with oil filter cartridge style.; 9CL-61601: 6 and 8 cylinder engines with oil filter cartridge style.; Stock Ref. No. 9CL-6116023