Specially designed with extra low-profile which makes work easier in space-constrained areas.
Knurling design easy to grip and quick ratchet.
Made from CR-V steel, and not for impact use.
Size:

F 1/4" X M 3/8" X 18mmL (with red ring)

F 3/8" X M 1/2" X 24mmL (with yellow ring)