Handle ratchet (ratchet) teeth 45. Handle for heads with the square of 1/4 ". The handle is used to working with the nuts and bolts. Without much effort exerted on the handle you can either unscrew and tighten the screws and bolts. Comfortable two-component handle, pleasant to the touch. Chrome-vanadium steel handle ensures product durability, wear resistance. durability. If you are still using a wrench, then it's time to think about buying and rattles. Naturally, to rattle still need to buy the right size head. better yet, buy a set of instru ENTOV in which there are rattles, and a head. The choice of heads has become even more simple and convenient. When you press the metal button in the upper base of the handle, you can easily take off the head from the nest. More about handles Ratchet