Square 3 or 8'' 1 or 4'', 5 or 16'' ( 8mm), 3 or 8'', 10mm , 7 or 16'' (11mm), 12mm, 1 or 2 ", 13mm, 9 or 16" (14mm), 5 or 8" (16mm), 17mm, 11 or 16" and 3 or 4" (19mm) Height STRENGTH AND IMPACT RESISTANCE - High strength bolts and nuts machined from chrome-molybdenum steel Our worn nut extractor kit is precision engineered to quickly and easily extract damaged bolts, nuts and screws in a blow molded box to hold each Note: The data is all measured manually, please allow 1-3cm error, due to the light and display difference, there will be some color difference, the actual object received shall prevail. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.