High Quality SGX SAE J1127 Heavy Duty Professionally Installed Ring Terminals Choose your gauge and length RED AND BLACK CABLE Heavy duty power cable kit. This set comes with one red and one black cable with lugs on both ends. Use the Amazon selection tools to select the desired length of cable and gauge. Constructed out of true high quality SGX SAE J1127 battery cable with a temperature rating of -50 to 125 degrees celsius. (-58 to 257 degrees fahrenheit) Needing to do a permanent install on a DC to AC power inverter on your boat, rv, 4x4 ect....? Here's the cable set you'll need to get the job done. Unlike many other inferior cable sets out there that simply have the copper wire tinned with solder to insert into the inverter connectors, our system utilizes a solid heavy duty steel stud with the correct diameter to fit into the round opening of your inverter connectors. (see photos). The end result is a superior professional install that is much more durable than any other system available. You cannot find a better cable set. Battery end is terminated with a large ring terminal. Ring terminal hole sizes available in 1/4", 5/16", 3/8". Shipped with 3/8" ring on one end and 5/16 ring on the other unless otherwise requested. If you need different size terminals, please be sure to mention this WITH your payment! Need a custom size? We custom build cables to length. We stock 4ga, 2ga, 1/0, & 2/0 cables sizes. Contact us for more info.Be sure to get the correct cable size for your application. It's up to the installer to decide exactly what is needed.