Laser-Alignment-Tool-for-Safety-Light-Curtains-Contrinex-YXL-0001-000-This-tool-is-used-in-the-alignment-process-for-the-14mm-&-30mm-safety-light-curtains-The-high-quality-tool-easily-clips-onto-the-light-curtain-&-will-greatly-simplify-alignment-of-the-sender-&-receiver-unitsover-large-distances-It-is-especially-useful-where-deflecting-mirrors-are-used-Contrinex-YXL-0001-000-Laser-Alignment-tool-for-use-with-YBB-YCA-series