Straight multi-opening ratchet ring wrenches: highly versatile wrenches = 4 dimensions per wrench. Saves weight: 1 single wrench in the tool box instead of 4. 4 metric dimensions per wrench: - 64C.S1: 8x10 - 12x13 mm. - 64C.S2: 16x17 - 18x19 mm. Compact ratchet mechanism and reversible by lever. Increment 5°. Presentation: satin chrome finish.