• Set includes eight-pieces: 8, 10, 11, 12, 13, 14, 17 and 19 mm • Open end angle 15° with a slimmer head for improved accessibility 5° Ratchet action angle • Ratchet swivel head in 180° with fixed steps in every 15° • 12-point Dynamic-Drive™ profile provides longer life for screws and nuts • Standards: ISO 3318 and DIN 311