Teng Tools 55mm Metric Combination Open and Box End Spanner Wrench - 600555, Silver

Open end is angled 15 degrees so the wrench can be flipped over to engage fasteners tight spaces 12-point box end doubles the access angles of a 6-point and is offset 15 degrees to create clearance for fingers Ring end is designed to grip flat sides of fastener heads, not corners, to prevent rounding of nuts. High strength chrome vanadium with a satin finish for increased grip especially in oily environments Lifetime warranty