Features:- 3 Position: Off - Ignition - Start- 3 Terminals- 15A 12V DC- Chrome plated brass face nut-and brass back-up nut- Stainless steel springsSpecifications:- Mounting stem 1 7 / 16 ´L, 13 / 16 ´ - 20 thread dia. - Overall Dimensions: 3 1 / 4 ´L, 1 7 / 16 ´ dia.- Case: Plastic