Grind out an angle ??? Check out Black & Decker's new cordless 41/2-in. angle grinder. It's good for weld finishing, surface preparation, rust removal, grinding and cutting metal and masonry, or even sharpening tools. Price: $50. Contact Black& Decker Inc., Dept. FIN, Box 730, Clarksville, MD 21029, 410/531-6975.