Suitable for use in flammable environments. A block shape on one end of the handle is struck with a hammer to loosen or tighten a fastener. - The opposite end has an enclosed head end (box end) that fits around the entire head of the fastener for a more secure grip while turning compared to an open end. - These SAE (inch) size wrenches have a straight handle and a 6-pt. - design that allows more contact with the fastener's sides than the 12-pt. style and prevents rounding the fastener's corners. Material / Aluminum, Bronze Finish / Natural Head Size / 1 1/4 in Overall Length / 6 in Head Offset Angle / 0 Degrees Head Thickness / 11/16 in Measurement Type / SAE Head Type / Standard Tether Style / Tether Capable Corrosion Resistant / Yes Non-Magnetic / Yes Nonsparking / Yes Box End Type / 6-Point Box End Number of Points / 6 Handle Type / Straight Weight / 1.1 lb Nominal Size / 1 1/4 in Standards / Factory Mutual Approved, MIL-I-17214