This will give you more control when you are using it for various projects. One speeds do work well, but sometimes it will take you longer when you are doing a project. If the speed it too fast for the particular project then you can damage your project. Different sized drills can handle a project better than others. There are combination blades available, and they are commonly used instead of switching between a rip blade and a crosscut blade. The fewer teeth, the more rugged the cut it going to be. Combination blades with many teeth will give you the cleanest cut. There are specialty blades available as well. Refer to the manual that came with your power tool to find out if a specialty blade is recommended. Power saws are available in a variety of sizes and different volumes of power to ensure you can always find the right power saw for any need you have. The most common type of power saw is the chainsaw, used to cut down timber. They work well if you need to trim your trees or cut them down for firewood. Some people have the impression that discount brands of power tools are cheap imitations that just won t get the job done. This isn t always the case though. Amazingly enough, in some instances you will find the same exact tool with a different name and a different label. Everything else including the quality is exactly the same. Bosch has some great new power tools on the market. The pocket driver is very compact, but very powerful. You can insert 100 screws with one battery charge. The I-Driver is a power screwdriver, designed with a pivot head to get into very tight spaces. The Brute Tough drill and driver is very powerful and versatile. He fell from the ladder and ended up with several long nails in his skull. He didn t die from it but could have. To help prevent power tool accidents, make sure your work area is secure. Ladders should be securely in place. Never work on a surface that is slippery or unstable. It is a risk you don t want to be taking with a power tool in your hand.