RUGGED DROP PROTECTION: The GL412N endures drops up to 3 ft (1 m) onto concrete and tripod tip-overs to 5 ft (1.5 m), shielding critical components and minimizing repair interruptions. PRECISION & COVERAGE: Provides ±1/16″ accuracy at 100 ft (1.5 mm / 30 m) over a full 2,600 ft (800 m) diameter when used with the HL760 receiver. GRADE & VERTICAL FUNCTIONALITY: Supports grading from –10% to +15%, includes vertical plumb alignment, and couples with PlaneLok / Grade-Match features via the HL760 system. REMOTE & ACCESSORY INTEGRATION: Includes GL412N single grade laser, HL760 receiver with clamp C70, RC402N remote (330 ft range), vertical adapter, Q104234 NiMH batteries, 95720-00 charger, and 5289-0025 carrying case. TRUSTED SINCE 1965: Spectra Precision has been a pioneer in precision measurement for over five decades, delivering reliable construction tools and laser technology that professionals worldwide depend on for accuracy and durability.