This Expert by Facom Pear Head Ratchet features a socket locking button and a comfort grip handle. The 72-tooth ratchet system requires a minimum of only 5 degrees of arc swing for each turn. The socket is secured in place with a locking button that you push to release. The overall length of the ratchet is 140mm. It complies with ISO 3315, DIN 3122, and ISO 1174-1 standards. The high chrome finish and ergonomic bimaterial handle provide durability and comfort. The lever reverse displays the rotation direction.