Combination wrench, offset in metric sizes Standards: ISO 691, ISO 7738, ISO 3318, ISO 1711-1 and DIN 3113 Material: High performance alloy steel Open end angle 15º with a slimmer head to get more accessibility 12 points Dynamic-Drive Profile provides longer life for screws and nuts Ring end angle 15º for knuckle clearance or better grip Chrome plated Micro Matt finishing provides high quality surface SB = Retail pack on a plastic info card