Bosch GLL 55 Self-Leveling Cross-Line Laser 4.2 H x 2.2 W x 4.4 L in. 346486704 | eBay
Amazon.com: Bosch GLL55 50ft Cross Line Laser Level Self-Leveling with VisiMax Technology, L-Bracket Adjustable Mount and Hard Carrying Case : Everything Else
Bosch GLL 55 Self-Leveling Red Laser Level Review - Best Laser Level 2020 - YouTube