This TD50030D-26S cartridge heater has a 304 Stainless Steel sheath and has these specifications: 0.5" OD 3" Insertion Length 3" OAL 240 volts 300 watts 26" FG lead. This Today heater can usually ship the same day, if ordered by 1:30 CST. Out of stock, epoxy potting, and NPT fitting heaters can ship in two business days.