Maybe you need a drill that offers both for a heavy duty job? It is a good idea to evaluate what you plan to do with a drill both now and in the future before you make this decision. An angle drill is great for getting into tight spaces. Choose a model that allows you several positions for the drill to operate in. Make sure you change the sandpaper or disc often to get the best results and further reduce the amount of time the sanding project takes you. For most jobs, you can sand with and against the grain. Don t put too much pressure on the sander as you use it. This will only hinder its performance. Keep a firm grip on it but the sanders should be able to move freely. Each instruction manual will have information on the recommended safety equipment you should have on when you operate that power tool. There are several common safety items you should have readily available. Safety goggles are essential. There is always the chance of dirt, debris, or fragments of materials getting into your eyes. 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. They can happen no matter how many times you have picked up that power tool and used it without incident. Cords are a common hazard when operating power tools. They can get in the way and accidentally get severed. There is also the potential of tripping over them and getting injured. Make sure all power cords are secured and out of the area where you will be operating the power tool. The motor is actually located inside of the base. The bit of the router is held in place by the collet. There are several different bases to choose from. A fixed base has a bottom plate that is round, side handles, and an adjustable height. Some models come with accessories attached to the side. The D-shaped handle base offers a trigger to make the router turn on and off.