Torque-Tight 38mm (1.5") Lug Nut Indicators provide a fast, visual confirmation of lug nut movement and torque loss. Designed for heavy-duty trucks, trailers, and commercial fleets, these indicators help prevent costly wheel-off incidents through daily visual checks. Molded in high-visibility orange from 1/8" thick, UV-stable LDPE polymer, Torque-Tight indicators are engineered for durability in extreme heat, cold, salt, and vibration. No tools required for installation. Sold in 100-count bulk packs, ideal for fleet maintenance programs, DOT compliance inspections, and proactive vehicle safety routines.