Compared to standard supplies sold in other stores, extended supplies have a longer life span. 120pcs Extended PT31 Plasma Consumables.10Pcs Cup,30Pcs Ring,40Pcs Electrodes(Extended),40Pcs Tip(Extended).Suitable for pt31 plasma torch. 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: Littimoon