Connect-Ease Multi 4 Lead Accessory Fuse f/Main Battery [RCE12VB4F] Camping Exterior Length (inch): 10

Exterior Length (inch): 10

Length: 3-1/2 in

They will be different for every boat depending on the hull thickness but you will need a flat head screw

Non-slip rubber hull rails

Connect-Ease Multi 4 Lead Accessory Fuse f/Main Battery [RCE12VB4F] Camping Exterior Length (inch): 10Multi 4 Lead Accessory Fuse for Main Battery Electronics and boating accessory connector with integrated fuses (4) for 12V Systems, with 1 10 gauge inline fuse and 3 14 gauge inline fuses, includes 3 5 amp and 1 10 amp fuse Applications: Connects up to 4 accessories with a single quick connection 12V Trolling motors, Fish Finders, Radios, onboard chargers, Power poles, lights, downriggers, and more, use this with the RCE12VBMI6IK, RCE12VBM6CK, and