90 gear series that can be rotated to narrow spaces. [Use] The handle can be used to tighten and loosen bolts in combination with sockets. Features: Equipped with 90 gears and a 6.3 sq. ratchet handle that demonstrates its value in narrow areas. Lightweight, compact, and delicate operation will become more enjoyable with use. Effective for maintaining in narrow and deep areas. Precision drive mechanism with 90 gears, 4 feed angles, and 7 rows condensed into a compact head. Lever has a 3-dimensional shape to make it easy to put on your fingers, and it improves maneuverability. [Precautions] As this may cause damage or hollowing, please be sure to operate the lever on the left and right. The flex part of the flex type will cause unstable work if too much force is applied.