THIS IS AN UNUSUAL SPOKESHAVE TYPE VINTAGE TOOL USED TO FORM 'V' SHAPED GROOVES IN WOOD;  IT IS 12.5 INCHES LONG, MADE OF OAK WITH A THICK BRASS PLATE UNDERNEATH AND A CAST STEEL BLADE.   I HAVE BEEN TOLD THAT IT WAS PRIMARILY USED FOR COACH BUILDING BUT YOU MAY WELL HAVE DIFFERENT IDEAS.  IT IS IN AN EXCELLENT CONDITION AND I AM SELLING IT WITH AN UNCNDITIONAL GUARANTEE.