The Milwaukee 45-96-9610 Flex Head Wrench delivers a two point five degree arc swing with one hundred forty four ratcheting positions for precise movement in tight spaces. Its double stacked pawl mechanism enhances strength and engagement reliability. The MAX BITE open end design provides up to twenty five percent more torque and reduces fastener rounding. An I-Beam handle improves comfort, and ink filled size labels increase visibility. The flex head design offers improved access around obstacles, making the wrench suitable for automotive, industrial and mechanical applications. Backed by a lifetime guarantee, it is built for long term professional use.