Compared to standard supplies sold in other stores, extended supplies have a longer life span. Suitable for pt31 plasma torch 50pcs Extended Plasma Cutt Consumables. 5Pcs Cup, 15Pcs Ring, 15Pcs Electrodes(Extended), 15Pcs Tip(Extended). We understand that many customers often need to change consumables during cutting, so we have prepared this Extended Life consumable to minimize the need to change consumables and allow customers to cut more metal at a time., Manufacturer: Akfldms