The Armstrong 3/4 in. Adjustable Hook Spanner is made for use with nuts that are made with notches cut in their outer edge. Manufactured from high alloy steel using the most up-to-date manufacturing process and heat treat for greater strength and durability. Meets or exceeds US Federal Spec. GGG-W-665B.
- Product is able to withstand wear, pressure, or damage
- Incorporates 1 adjustable hook which is designed to adjust threaded collars, locknuts, rings, packing nuts, in industrial applications
- Black oxide finish
- Industrial grade tool