Using the Makita B-60539 Impact GOLD #2 Square Recess 2-inch Power Bit is easy. First, make sure your high-torque impact driver has a 1/4-inch chuck size. Then, insert the bit into the chuck firmly. When you're ready to start a job like deck building or framing, position the bit on the screw head and start the impact driver. The bit's precision-fit tip will keep it in place and prevent cam-out. As you work, the Xtreme Torsion Technology will help the bit handle the high torque without wearing out quickly. For maintenance, after each use, wipe the bit clean with a dry cloth to remove any debris. Store the bits in a dry place to prevent rust. If you notice any signs of excessive wear or damage, it's best to replace the bit to ensure safe and efficient operation.