The sides of the hexagon are filled with a special nylon resin, so you can insert it into any standard socket you may have. To insert it, simply use a hammer to press the bit into the socket. No roll pins or set screws are used for socket attachment, making it hassle-free. It can be plugged into any standard socket you have. By using Bondhus special Protenium(R) alloy steel, it produces torque that is 20% higher than that of ordinary hex tools.
Used for hexagon socket bolts
