1.Industrial-Grade Construction:Built with a rugged non-conductive thermoplastic body and corrosion-resistant stainless steel shackle,these locks withstand heavy industrial abuse,extreme temperatures,UV exposure,oils,and moisture for long-term reliability 2.Key Retention Safety Design:High-security zinc alloy cylinders prevent key removal until the shackle is fully locked,eliminating accidental unlocks and ensuring strict adherence to protocols 3.Writable AVY loto tags: Each lock includes dual-sided labels: a front-facing 'DANGER Locked Out' warning in English,plus a writable back label for detailed hazard notes,meeting global workplace standards 4.10-Lock High-Visibility Set with Unique Coding:Features 10 padlocks (1-1 or 2' shackle,1 or 4'diameter),each keyed different with two key,plus matching engraved codes on locks and keys for effortless accountability in group operations Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.