Features: · Size: 11.4" x 2.5" x 0.23" · Item Weight: 1LBS · Fits all 1 1/4" OD Castle Nuts and Commercial Castle nuts. Including all similar. · Made of steel 4140, black powder coated, so that the spanner is durable and easy to use. · Perfect for all areas these castle nuts are used. Plumbing, pipe fitting, hunting, fishing rods, safes, automotive, etc. · Very easy to hang on you with the O ring end, smart and handy to use with a circle edge bar.