Grinder problem What kind of features should I pay attention to when selecting one?

* The base plate can be tilted to make angled cuts. Most saws adjust from 90 degrees to slightly less than 45 degrees, making it possible to cut bevelled ends on boards for corning attachments, hip-roof rafter cuts, and even miters. Most saws are equipped with a thumbscrew or lever to loosen the bolt which keeps the saw blade on the correct angle for the cut you are making, located on the front of the saw. Some are also equipped with a scale which indicates the blade angle, from '0' (90 degrees, or square to the board surface) to 45 degrees. * The blade can be set to the depth required for individual cuts, from less than 1/8 inch to the full depth the blade is capable of penetrating. The lever or thumbscrew which locks the base plate at the desired height is usually located at the rear of the motor on the left side. * Many circular saws are equipped with a ripping fence, to guide the blade as you make a rip cut along the edge of a board, giving you a straighter, parallel cut. * Dust ejector. A few newer saws are equipped with a dust ejector to blow the sawdust away from the operator's face and from the mark where the cut is being made. * Laser tracking light. Some newer saws are equipped with a laser that projects a bright, red line down the path of the blade travel. These can also be purchased to retrofit on older units that are not factory equipped with them. * Blade guard. This should be considered a essential safety feature on any saw, and has two parts, the fixed guard over the top of the blade, and the floating guard, which rolls out of the way as the saw is pushed into the work piece. Some have a handle so the blade guard can manually be lifted for plunge cutting or easier viewing of the cutting mark.