Lever operated 6-36 VDC 180 AMPS continuous capacity 1000 AMPS in rush SPST (off-on) two stud teriminals. Individually sealed contacts One piece die cast housing sealed with o-rings at base and mounting stem to keep moisture out. Two 3/8" copper alloy stud terminals with hex nuts and lock washers. overall length 4-3/8" diameter approx 2-5/8" mounting stem 3/4" diameter, 1/2 long, with 2 hex nuts and lock washer