You cannot add "New Martin MS100 1-3/8 Jaw Coupling MS100138" to the cart because the product is out of stock. NEW SIEMENS PYROTRONICS SM-30 DUAL SWITCH MODULE SM30 580-121671$205.00 Out of stock SKU: 352581230267 Category: Other Description Additional information Description NEW SIEMENS PYROTRONICS SM-30 DUAL SWITCH MODULE SM30 580-121671NEW, NO BOX3034/BF Additional information Weight 1.00 lbs Brand SIEMENS MPN SM-30 Country/Region of Manufacture Unknown We Buy New and Used Surplus Inventory - Sell to Us