You are buying a new 3 pc. Martin Engineer Wrench Set. Made in the USA, these open-end wrenches are sometimes called slugging wrenches. U.S. Navy surplus, light engraving present; see photos. Part numbers 1234, 1238, and 1240. Sizes 1-1/16 1-3/16 1-1/4 inch. Get yours here and save a bunch of cash. FAST FREE Shipping!