Combination ratcheting spanner set with metric, equal spannerwidths in TCS insertRing side flat design with double hex72 teeth, working angle 5°Jaw position 15°Right/left tightening by turning the spanner. Durable, slim, and lightweight designHigh bending strength due to double T-profile. STAHLWILLE’s round finish ensures a surface that is skin-friendly and has a good grip. Drop-forged, hardened, and cooled in oil bathChrome-alloy steel, chrome-platedTool assortment in foam insert, modular Tool Control System (TCS) – safety integrated. Contents, 12-piece set: No. 17: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 mm