Heavy Duty 7-Way Car End Trailer Plug - Meets and exceeds all standards of SAEJ560 (Solid Pin Sockets only). Floating pins for ease of alignment and Maximum Contact. Self grounded. (Die Cast only). Optimum slant mount and drain slot rid housing interior of accumulated moisture. Will accept the widest range of gauges from #16 wires to #8 ground wire. Ground Terminal Pin #1 will accept #14 gauge min. to #8 gauge max. Other terminals will accept #16 gauge min to #10 gauge max. 40Amps continuous duty at 6-28Volt DC. Self grounded (Die Cast only) to #1 Ground Terminal. Stainless steel spring. Recommended Mounting Hole: 2inches in Diameter. Interchangeable with all competitive makes. Plug only.