Fast retract mechanism: essential builder accessory with smooth retraction for frequent use, delivering durable performance during daily site work. Optimized workflow: one-handed quick-release system and non-slip mounting guarantee secure grip on standard belts for effortless daily use of your tape measure holder. Ergonomically designed equipment: ergonomic belt hook and quick-release clamp provide precise work stability and reliable tool retention for efficient carrying tasks. Multi-purpose utility: tape measure holder offers modular tool support for electricians and carpenters, simplifying organized handling of tool accessories during work. Use scenarios - Construction site: keep the tape measure readily accessible while kneeling or climbing, reducing pocket clutter and wasted time. - Electricians: during wiring installations, tape measure stays on the belt for quick distance checks and marking reference points. - Carpenters: during framing, quickly access the tape measure and keep small tools organized within the modular system for an efficient workflow.