CST/Berger LM800GR Rotation Laser, Horizontal with Detector
CST Berger Laser Mark Torpedo Level #57 LMETL8 Used 644425570955 | eBay
CST/berger 57-LMH-CUPK Electronic Self-Leveling Horizontal Single Beam Rotary Laser Level Complete Package with Tripod, Rod and All-in-One Carrying Case - - Amazon.com
CST Laser Trackballs Details | Input Devices | Drop