The Bahco 111M/SH5 is a set of 5 combination wrenches in metric sizes made from a high performance alloy steel in a patented U shape design. Their U shape shank provides better comfort with the open end angle being 15º with a slimmer head for better accessibility. The 12 point Dynamic-Drive Profile provides longer life for screws and nuts and the ring end angle is 15º for knuckle clearance and better grip. They have bigger and bi-directional size markings for easy identification and have a chrome plated Micro Matt finish which provides a high quality surface. Standards: ISO 691, ISO 7738, ISO 3318, ISO 1711-1 and DIN 3113. Sizes : 8, 10, 13, 17 and 19mm.