SATRA S-DMPR is special designed for rapid removal of the steering rod automatically clamps down the rod end. Also longer rods are no problem for the open design of S-DMPR. Tool covers up rod ends from a diameter of about 32 up to 42 mm. Equipped with an 1/2" square drive, length 78 mm and 35 mm width. GREAT QUALITY FOR THE BEST PRICE! HEAVY DUTY DESIGN - The difference you can see on the pictures attached!