SAE To Ring Terminal: SPT-2, 18AWG, Length: 2FT(60MM). Inside diameter: 6.5mm / 0.26'Outside diameter: 12mm / 0.47' SAE to ring terminal assembly designed for extending car or motorcycle battery charging terminals, keeping trickle charged and protecting the battery. SAE connector and fuse holder with weatherproof cover design, built in fuse for overload and short circuit electrical protection. Widely Applications: Suitable for travel trailer, motorcycle, snowmobile, ATV, boat, truck, pickup, etc. Package Contents: 2 pcs SAE to 2 Pin Extention Battery Charging Cable