THIS IS A BRAND NEW SET OF 12 MULTI ANGLE BALL HEAD ALLEN KEY WRENCHES WITH A MATCHING STAND INCLUDED  MADE BY THE ALLEN MANUFACTURING COMPANY YEARS AGO IN HARTFORD CT. USA. NO CHINA MART JUNK HERE. THE ALLEN KEY SIZES ARE AS FOLLOWS, ONE 5/16", ONE 1/4" ONE 7/32", ONE 3/16", ONE 5/32", ONE 9/64", ONE 1/8", ONE 7/64", ONE 3/32", ONE 5/64", ONE 1/16", AND ONE .050". A LOT OF THESE SIZES WILL ALSO WORK WELL IN METRIC BOLTS AND ALSO WORN METRIC HEX HEADS THAT NEED TO BE A 1/64" OVERSIZED TO REMOVE JUST TAP IN FOR A NICE TIGHT FIT TO REMOVE A STRIPPED OUT METRIC HEX SOCKET HEAD BOLT.