Topcon. The rugged, portable LC-4X cross-line laser projects one horizontal line, three vertical lines, and a plumb beam. It features automatic self-leveling, one-button cycle operation, variable beam options, and an angle lock. The laser, which includes universal mounts, comes with an L5-VHX laser receiver for a working range up to 130 feet. 925.245.8300. www.topconpositioning.com.