Ampco W-671 Combination Wrench, Aluminum Bronze Nickel, Natural, 7/8 in Head Size, 11 3/4 in Overall Length

Suitable for use in flammable environments. - They 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. - Wrenches contain no iron, are nonmagnetic, and are suitable for use with magnetic resonance imaging (MRI) equipment. - These wrenches have the same SAE (inch) size on each end for use on one specific size fastener.