Features These SAE combination wrench sets have a 12-pt. Box end with additional grooves that make it easier to connect with the head of the fastener and connect at more angles for better accessibility compared to a 6-pt. wrench. The opposite side has an open end design that allows top and side access to the fastener compared to the box end that can only access a fastener from the top. These wrenches have the same SAE (inch) size on each end for use on one specific size fastener. Material / Alloy Steel Finish / Black Oxide Number of Tools / 18 Range of Head Sizes / 1/4 in to 1 1/4 in Head Offset Angle / 15 Degrees Head Type / Offset Container Type / Pouch Measurement Type / SAE Head Size / 1 1/16 in, 1 1/4 in, 1 1/8 in, 1 3/16 in, 1 in, 1/2 in, 1/4 in, 11/16 in, 11/32 in, 13/16 in, 15/16 in, 3/4 in, 3/8 in, 5/16 in, 5/8 in, 7/16 in, 7/8 in, 9/16 in Opening Type / Rounded Opening Angle (Deg.) / 15 Degrees Tether Style / Tether Capable Non-Magnetic / No Nonsparking / No Corrosion Resistant / Yes Anti-Slip Design / No Insulated / No Ratcheting / No Reversing / No Container Color / Black Box End Type / 12-Point Box End Number of Points / 12 Head Thickness / 0.17 in to 0.661 in Range of Lengths / 5 in to 16 in Wrench Length Style / Standard Standards / ASME Weight / 11.86 lb Handle Type / One Piece