"The Ironton 16in. Adjustable Spud Wrench is great for iron work. Features chrome vanadium steel construction with black oxide finish to resist corrosion. Tapered end of wrench helps with aligning holes. Tool Length in. 16, Finish Type Black oxide, Jaw Capacity in. 1 1/2, Material Type Chrome vanadium, Pieces qty. 1. Chrome vanadium steel Black oxide finish resists corrosion Tapered end helps with aligning holes Adjustable wrench opens up to 1 1/2in."