Invar Saw Blade

The Invar Saw Blade is an item added by Factory Tech. It is crafted by processing an Invar Gear in a Grindstone. The Invar Saw Blade is a consumable for Factory Tech Machine Maintenance. It is a direct upgrade from the Iron Saw Blade, lasting 1.5 times as long both in terms of minimum lifetime and break chance. Additionally, it makes any machine it is in work 20% faster.