Voltage 12, Amp 80, No./mount. holes 2, No./terminals 3, Outer Diameter 55.80, Amount of Mounting Holes 2, Remarks N.O. Terminals: 5/16" UNF. Coil Terminal: 10-32 UNF. Relay w/ 1/4" Terminals: HC-CARGO 234070., Total Length 65.00