Nut setter bits for fastening nuts and bolts. The Impact Premier series has been designed for use with impact drivers. Constructed from strong steel, the range features precision machined tips for excellent screw head grip and a flexible centre to prevent the tip from breaking. This gives the bits a longer lifespan compared to standard bits. The colour coding of the tips makes it easy to identify each bit quickly. A wide selection of bits in different sizes and shapes help the user to find the right bit for the task. Choosing the correct bit for the work makes the job more enjoyable and gives a longer life for drill bits.