This Adjustable Hook Spanner wrench features drop forged steel handles and steel jaws, with a maximum capacity range of 2” to 8-1/4”. It boasts an Industrial Black finish and is capable of covering various nut sizes. The pins are designed to fit into holes or slots on flanges or collars, making it an ideal tool for tightening shafts or pipes. It also includes an adjustable opening feature, perfect for servicing packing glands, adjustable collars, rings, locknuts, and more.