The 59461 from AMP - TE Connectivity is a heavy head hand tool assembly. This STRATO-THERM terminal and splice hand crimping tool is used to crimp high temperature and heat resistant STRATOTHERM terminals and splices onto wire sizes 12AWG through 10AWG. The tool features head containing two stationary crimping dies (anvils) and two movable crimping dies (indenters), a locator, an insulation crimping adjustment pin and CERTI-CRIMP tool ratchet. Not releasable, not adjustable ratchet configuration  Closed barrel, confined crescent