Master Lock Zenex Thermoplastic: Optimal Safety Padlock Designed Exclusively for Lock Out /Tag Out by Safety Directors. Distinctive Zenex Thermo Plastic Safety Lock Meets OSHA LOTO 5 Requirements: Durable, Standardized, Substantial and Identifiable Exclusively for OSHA 1910.147 Safety Compliance. Thermo Plastic Lock Body Stands up to Chemicals, Temperature Extremes and is UV Stable.

Our Master Lock Zenex Thermoplastic Safety Lockout Padlocks section features Nos. 31, 31KA, 31MK, 31LT, 3KALT, 31MKLT, 33, 33KA, 33MK, 33LT, 33KALT, 33MKLT, 32, 32KA, 32MK, 32LT, 32KALT, 33MKLT and 410, 410KA, 410MK 410LT, 410KALT, 410MKLT, 411, 411KA, 411MK, 411LT, 411KALT, 411MKLT, 406, 406KA, 406MK, 406LT, 406KALT or 406MKLT Locks.