Check the listing for details. BLANK STEEL 3 1/4" BIT or SKELETON KEY for MORTISE LOCKS (33159). Color: Gun Metal Grey. Listed at 7.95 USD. eBay Listing Template r1 BLANK STEEL 3 1/4" BIT or SKELETON KEY for MORTISE LOCKS (33159) Great for keying large old door locks, the heavy steel blank key has an overall length of 3 1/4".Measurements below could differ slight depending upon the castings, you can compare these measurements to the chart in the photos if you are unfamiliar with the terms. Total Length: 3.191"Shank Length: 2.483"Shank Diameter: .173"Post: .744"Bit Width: .450"Bit Length: .590"Collar: .236" Very hard to find if you are working on restoring or keying an old double keyed lock, great for the small top key you need to file. We exhausted every supply we could find before deciding to have some made.Shipping is programmed at a cost of $3.85 for the first key and $.85 for each additional key. SEE OUR FULL INVENTORY of KEY BLANKS - HERE! Village Salvage • 85 S. Main Street • P.O. Box 284 Waynesville • Ohio • 45068