Using your Bosch T234X3 jig saw blades is easy. First, make sure your jig saw is turned off and unplugged. Then, insert the T - shank blade into the blade holder of your compatible jig saw. Tighten it securely to prevent the blade from wobbling during use. When cutting, start slowly and let the blade do the work. These blades are great for straight, fine, and splinter - free cuts in both thick and thin wood, particleboard, and plywood. For best results, keep the blade perpendicular to the material. As for maintenance, after each use, wipe the blade clean with a dry cloth to remove sawdust and debris. Store the blades in a dry place to prevent rusting. Avoid using the blades on materials they're not designed for, as this can damage the blade and affect its performance. If the blade becomes dull or damaged, replace it with a new one to ensure continued high - quality cuts.