This comes from an estate sale of a knife collection, looks new. I am selling as is but knife looks clean inside and out and doesn't appear to have been used. Fully open the knife is about 7'' from point to other end. T is a ring to attach the knife if desired. The blade at its widest is about 1 3/4 diagonally. I am told that this style of knife is a hawkbill. The knife locks into position when fully opened. A heavy brass spring locks over to prevent the knife from closing. One must push this brass lock the left so that knife will close. The handle is brown and the blade and head end are silver-like to match blade. One side is of blade is plain and the other says Erwin Supply Co. Erwin Mens Service. I guessing this is a business in Erwin, Tennessee about 65 miles from to the south.On blade is says: KLEIN TOOLS CHICAGO, USA T-3 This looks like one tough well made knive. I accept Paypal, ebay payments, money orders, cashier or personal checks. (Note: All personal checks must 1st clear bank before item will be shipped, usually 3-6 bank business days.) Shipping is $4.95 with delivery confirmation included.