Overview for LaserLine B-LCA Aluminum Bracket for Leica & Geomax Laser Detectors The LaserLine B-LCA Detector Bracket is constructed of high strength aluminum with a black anodized finish. It is lightweight and rugged, designed to last for a long time. It is used to hold the laser detector in place while attached to the special rail slide of any Direct Reading Grade Rods. The LaserLine B-LCA Detector Bracket together with the compatible detector gives faster and easier reading by eliminating the need to unfasten the detector when it needs to be moved. The special rail slide allows the laser detector to travel the full working length of the rod. This bracket works best with the following laser detectors: Leica Rod Eye 120 Leica Rod Eye 140 Leica Rod Eye 160 Leica Rod Eye 180 Leica Rod Eye Digital Geomax ZRP105 Leica CLC Remote/ Receiver