Stinger LED Rechargeable Flashlight, 120V, 350 lumens, Steady Charge AC DC no checkout The oil based ink is ideal The oil based ink is ideal for porous and non porous surfaces ranging from concrete Heavy duty cast aluminum housing is 40% lighter than cast iron and easier to maneuver I Beam handle and wide design provides better weight distribution Drop forged jaw is heat treated to resist distortion or breakage Easy spin adjusting nut is heat treated for durability Hammer head design provides a flat surface for hammering 000 hour lifetime Regulated run time provides consistent performance throughout battery life Unbreakable polycarbonate lens with scratch resistant coating tested at 1 million actuations Deep dish parabolic reflector produces a concentrated beam with optimum peripheral illumination C4® LED technology