Our universal series of ground bars have a universal hole spacing pattern that allows for any 2-hole lug attachment pattern, ample space for exothermic welding anywhere along the edges of the bars, and mounting holes that accept 3/8" hardware. We offer a wide range of sizes in bare copper, tinned copper, and galvanized steel. We we also be happy to accommodate you with any specific hole pattern requirements you may have. Related products: T6502 series mounting kits, copper shield and no-ox, T6503 series insulators, lugs, splices, crimpers, c-taps and electrical/ground wire.