Accepts all “P” type industry standard die sets, a s well as “U” type industry standard dies with the use of the PU-15 die adapter. Open “C” head design allows user to place compression head over the connector without having to close a latch before starting a compression cycle. Head rotates 180° for optimum maneuverability in tight work spaces. Tested to 75kV for live line use without damage to internal circuitry. Works with Makita LXT 18V Lithium-Ion Batteries