Whirlwind M1R-TOOL KIT Crimp Tool KitDesigned to streamline the assembly process, the Whirlwind crimp tool and locator easily attaches MASS pins and sockets to the wire ends. Contacts then load into the MASS contact blocks from the rear and are easily removed by inserting the extraction tool into the wire hole which expands the spring fingers of the retention clip. The ends of the tool are color coded (red for insertion and white for extraction) for at a glance identification. Includes