Bosch 330 ft. Line Laser Level Receiver for Red and Green Beam Laser Leveling Tools LR 8 - The Home Depot
LR 7 Laser Receiver | Bosch Professional
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Bosch Professional 0601069J00 Laser Receiver LR 7 (red and green beam, 2 x 1,5 V Batteries AAA, Range: 5-50 m, protective bag), Blue, 2.8 cm*7.3 cm*13.7 cm : Amazon.co.uk: DIY & Tools