Ground clamp, Consumable Set, Instruction Manual, etc. ★ 𝐏𝐫𝐞𝐜𝐢𝐬𝐞 𝐀𝐥𝐮𝐦𝐢𝐧𝐮𝐦 𝐖𝐞𝐥𝐝𝐢𝐧𝐠: 200A AC Square-wave inverter for accurate aluminum welding. ★ 𝐓𝐈𝐆 𝐖𝐞𝐥𝐝𝐞𝐫: 10-200AMP AC/DC TIG Electric Current Output; Quality TIG welding on Aluminum, Stainless or Steel and Precise Welding of Thinner-gauge Materials; Power efficiency: 80%.