Insulating plastic base is constructed from high temperature resistant plastic. 6 and 10mm studs are made from tinned copper and are ideal for isolating positive and negative connections.
IS-10MM/8MM/DSP: designed for use in the installation of Yamaha engines where there is a requirement for a 10mm (3/8") and 8mm (5/16') termination
8mm stud is made from 316 stainless steel