Voltage 12, No./mount. holes 3, No./terminals 4, Terminal 50/mm 10-32 UNF, Coil Bolt Length 28.50, Servicing 42MT, B+ 1/2" UNC, Terminal 50 Bolt, B+ Height 37.50, Coil Bolt Diameter 1/2" UNC, Terminal 50 Width 16.50, Outer Diameter 69.00, Remarks Insulated return. Ground Terminal: 10-32 UNF. Cap: HC-CARGO 135324., Amount of Mounting Holes 3, Total Length 159.00