Oshlun LG-M01 Miter and Portable Saw Laser Guide Fits most 7-1/4, 8, 8-1/4, 10, and 12-Inch Miter, sliding compound miter, chop, and portable saws New recessed laser design to protect the laser from hitting the material on deep cuts New thinner design to fit more saws New brighter and more accurate laser line Includes extra set of silver oxide batteries