Forearm Blade Forearm Blade is an item. A suit module. Used to make the Mark 30 "Blue Steel" and Mark 33 "Silver Centurion" suits.CraftingMade at Stark Table2SSteel Rod×2VVibranium Ingot×1RReinforced Servo Motor×1Used inMark 30 "Blue Steel" SuitMark 33 "Silver Centurion" Suit