1/4" square, 1 - 5 Nm Automatic short release when tightening screws with a clearly audible click signal when the pre-selected torque is reached. Value adjustment by turning the knurled ring at the end of the handle; the pre-selected value is fixed by the insert ring. With easy-to-read window scale, additional micrometer scale for fine adjustment (one rotation = 1.0 Nm - scale ring with 0.10 Nm division), 6.3 mm square drive for socket wrench inserts and attachable adapter with spring sleeve. Acoustic Click Signal Application Left-hand rotation, Right-hand rotation Display Window scale, Micrometer scale Type Item Version 1/4" Main colour black Length 165.0 mm Secondary colour yellow