Blue Sea Dual Power Post - One 5/16"-18 and One 3/8"-16 StudsThe Blue Sea Dual Power Post provides a termination point for extending the length of outboard harnesses or other conductors. This power post is designed for outboard engine installation when factory cables need to be extended. Includes one black and one red insulator.Specifications: Maximum Voltage: 48V DC; Mount: #10 Screw (M5); Stud Size: 3/8"-16, 5/16"-18; Stud Torque: 120-140 in-lb; Weight: 0.35 lbs.;