Empire 125 ft. Green 3-Point Laser Level with 48 in. to 78 in. True Blue Extendable Box Level (2-Piece) ELG3D-eXT78 - The Home Depot
LLE Review 78 - Laboratory for Laser Energetics
Volk® Super Macula® 2.2''direct contact laser lens with flange, 60°/78° FOV, 1.49x image mag., 0.67x laser spot, ideal for ultra high magnification viewing and treatment of the posterior pole | Ambler Surgical
Green Red Laser Boresighter Kit For .177 To.78 12ga Caliber Riflescope Red Laser Pointer Collimator Universal Boresighter - Hunting Lasers - AliExpress