GLL 50 | Self-Leveling Cross-Line Laser | Bosch Power Tools
Bosch GLL 2-50 + BT 150 Laser level | DIY at B&Q
Bosch Professional Laser Level GCL 2-50 G (green laser, RM 10 mount, visible working range: up to 15m, 4x AA battery, in cardboard box) : Amazon.co.uk: DIY & Tools
Self-Leveling Cross Line Laser Level Bosch GLL 2-50 + BM1