General description The Bahco Chrome Polished Combination Spanner Set includes 12 high-performance alloy steel wrenches designed in a patented U-shape for enhanced comfort and accessibility. The set features a 12-point Dynamic-Drive Profile that extends the life of screws and nuts, making it an essential tool for both professionals and DIY enthusiasts. Technical specifications Material: High-performance alloy steel Design: Patented U-shape Open end angle: 15º Ring end angle: 15º Surface finish: Chrome plated Micro Matt Sizes included: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, and 19mm Standards: ISO 691, ISO 7738, ISO 3318, ISO 1711-1, and DIN 3113 Other information 12-point Dynamic-Drive Profile for better grip Bigger and bi-directional size marking for easy identification