Bosch GLL50-RT-3 Self-Leveling Cross-Line Laser Kit 4x
Add to Favorite Sellers. The Bosch GLL50-RT-3 includes. 3x BM 3 Positioning Device. 3x Bosch GLL 50 Reconditioned Self-Leveling Cross-Line Laser. The Bosch GLL 50 Self-Leveling Cross-Line Laser Kit features a laser with vertical, horizontal and cross-line modes that projects two lines independently or together. This permits a broad array of alignment and leveling applications.