Using your Bosch CCSDEPHV2504 double-ended bits is a piece of cake. First, pick the right bit from the case. The high-visibility markings make it easy to find the bit you need. Just snap the clip out of the case if you're taking the bit on the go. Then, insert the bit into your impact driver. Make sure it fits snugly. The precision-engineered tips will give you a tight fit and reduce cam-out. When using the bit, let the Xtended Torsion Zone do its job. It'll absorb the torque peaks, so your bit tips stay in good shape. After you're done, tilt the bit out of the clip and put it back in the case. Keep the case closed with the secure latch to protect the bits. As for maintenance, wipe the bits clean after each use to remove any debris. Avoid using excessive force that could damage the bit. With proper care, these bits will last you a long time, just like they're designed to do.