It puts out an infrared light in a straight line for you to follow as you cut. You can find power tool accessories at retail stores, on the internet, and at home improvement stores. You will need to purchase accessories that match the brand of power tool you purchased. It is a good idea to have the model number ready when you purchase power tool accessories, especially if it is an older model. Routers are great for carving and engraving. A router can be somewhat intimidating, but once you get comfortable using it, you will find it to be a remarkable power tool. Practice on something before you use one on a project to get a feel for it. Saws are a well used power tool. Most anything that is build with wood involves using some type of saw. The quality of the saber saw isn t that important, but the quality of the blades you use in one is a very important issue that will impact your cuts. A table saw is used for bigger jobs or long pieces of material. It consists of a table with the saw blade located in the center of the table. This is a great way to have a surface to hold the other end of the material. You can also use them for lengths of time without the power tool feeling uncomfortable. There are two dials on the dual speed Dremel models. This allows you to control the speed with one and the power with the other. You will get free replacement brushes for the life of your Dremel tools as well as a five year warranty. If it is, you risk it getting tangled up with the power tool. Tuck in shirts and only wear clothing that fits you properly. Pay attention to your shoes as well. Make sure they have a non-slip sole. For some power tools, it is a good idea to wear steel toed boots while operating them. Some power tools are very loud. 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. The right power tool combined with the right accessory is going to make any type of project go smoother as well as affect the quality of the outcome. In many cases you have the option of several tools that may get the job done, but take the time to find out which one is going to work best.