Drill bits made of carbon are only recommended for use on wooden materials. A twisted drill bit and a braided point drill bit are very similar. The difference is the twisted bit is the same diameter throughout it, while a braided point gets thinner towards the bottom. Countersink drill bits make the hole wider. It is a good idea to purchase a particular model and brand of power tool only after you have physically looked at it and touched it. It is too heavy? Does it seem to flimsy for the job you plan to do with it? How noisy is it? Does it fit properly in your hands? These things are all very important and will affect how compatible the power tool is for you. This is great for getting the perfect fit on the corners on the first try. These next two items are debated as to their necessity when it comes to power tools. It really depends on your preference and the types of projects you will be doing. A sander that works with or against the grain is something I recommend if you will be doing any type of sanding. If it is having difficulty, back it out some and then proceed slowly. You can damage the drill and cause injury to yourself it you attempt to drill a larger hole then the drill is capable of completing. Always wear safety glasses or goggles when you operate any type of drill. Always unplug the drill before you change the bit in it. By 1928, Black & Decker was beginning to introduce power tools after they took over a small company called Van Dorn Electric Tools. They began making improvements to that line of power tools to come up with the quality power tools we have come to trust today. The black and orange design was implemented in 1984. Still, many left handed individuals feel like they have been cheated by the power tool industry. In fact, the Left Handers Club, a group that was formed in 1990, has been sparking the interest in many power tool manufacturers to address the situation. It seems like saws are the one main power tool that hasn t yet been adapted for left handed individuals.