Spectra Physics 600000 Precision LL500 Construction laser (rechargeable) receiver HL700
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Spectra Precision GL612N Single-Slope Grade Laser with HL760 Digital Readout Receiver, C70 Rod Clamp, RC602 Remote Control, 10 Ah NiMH Batteries, Charger, and hard carrying case - - Amazon.com
Matisse® 2 Tunable Ring Laser
Spectra Construction Red Beam Pipe Laser Level - Save at Tiger Supplies