Reinforced Steel Plate

An item theorised to be Reinforced Steel Plate, seen in the Conveyor Belt Speeds video.
Reinforced Steel Plates are a crafting component.[1] This is probably the same item as Reinforced Iron Plate.
Crafting[edit | edit source]
They are made from an amount of screws given by 1.5 constructors.[1]
Screw + ?
Speculation[edit | edit source]
They are likely a mid-late game item to make structures from.