Renegade Industrial 8mm Metric Ratchet Spanner - Sold Individually These Renegade Industrial Metric Ratchet Spanners are of superb quality. Features a very fine 72 teeth ratchet mechanism which ratchets at just 5-degree increments, a feature that is highly appreciated by the best mechanics. These ratchet spanners are incredibly durable as they have been manufactured from drop forged chrome vanadium steel that has been hardened & tempered plus the mirror chrome finish & state of the art design makes these spanners very comfortable to use.