KNIPEX 87 41 250 The high-tech-multiple slip joint spanner Quickly grip, finely adjust and screw according to the ratchet principle The benefits of the multiple slip joint spanner are plain to see: it is light and stable, can be adjusted to screws and nuts quickly at the touch of a button and is self-locking as from a wrench opening of 17 mm. This multiple slip joint spanner has been developed specifically for hex nuts and bolts. Position the Knipex multiple slip joint spanner quickly and accurately with just one hand movement.The spring-loaded hinge bolt locks securely into place without adjusting inadvertently. Thanks to the 15-fold fine adjustment, the Knipex multiple slip joint spanner can be perfectly adjusted to different sizes of the component. This fine adjustment also makes sure that the distance to the handles remains hand-friendly for every grip width. Screws are tightened and released according to the ratchet principle.