Mariner's Mate 1256B Battery Knobs 5/16" & 3/8" Terminals

"No Wing Nuts No Sparks" Poor electrical connections can cause your boat not to start, your battery not to charge properly and corrosion of your battery terminals. Ensure a good connection with Battery Knobs.

Makes it easy to connect and disconnect your battery cables.
Eliminate wing nuts.
Color coded insulated handles.
Solid stainless steel contact surface for reliable connections.
Superior holding power with no tools required.
Perfect for Boat and RV batteries.
Fits in most battery boxes.

Dimensions: 1-1/4" tall by 2-1/2" Diameter.
Battery Terminal Size: 5/16"- 18-thread Negative & 3/8"- 16 thread Positive.