The KTC Tools Nepros 6.3 sq. Ratchet Handle, No. NBR290, offers an oval head, which houses a 90-tooth gear, 7-level claw driving mechanism. With a feed angle of only 4 degrees and an overall length of 5", this compact ratchet handle is designed for working in tight spaces. This ratchet offers smooth motion and light return travel, according to the company. The tool's union mechanism ensures that the socket will not disconnect from the ratchet unless the button is pushed. A repair kit with gear and claw replacements is available.