Workpro 8-piece Flex Head Ratcheting Wrench Set Anti-slip Set Metric

The wrench hardness up to HRC 50 makes the wrench able to bear more force. Efficient Wrench - The 72-teeth ratchet wrench set is smooth and requires only a 5-degree working swing arc. capable of clamping round nuts within 85% of wear, anti-slip property increased by 30%.