The guide rail is the most important part of any track saw system and the patented EZSMART EZXH736254 Guide Rail is the best you can buy, delivering precise straight, splinter-free cuts on both sides of the rail. Voted "Best in Straightness and Self Aligning Connection" by Wood Magazine®, "Best in Anti-Chip Protection on Both Sides of the Cut" by Fine Home Builder Magazine® and "Best in Home Tech" by This Old House Magazine®. Multi-channel design, for strength and versatility, EZSMART Guide Rail presents endless opportunities for use with additional tools and accessories within the EZSMART family of products. Supplied with 2 Anti-Chip Edge inserts to provide "zero clearance" to the guide rail side of the saw blade.