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The MASTER LOCK 410KA-BLUE is a keyed-alike padlock built around a 6-pin tumbler cylinder for reliable, pick-resistant security. The body is molded from Xenoy thermoplastic, which resists corrosion and impact in light-duty applications. At 1.5 inches wide, this padlock is a compact, portable locking solution suited to equipment lockout, storage units, cabinets, and toolboxes. Each unit ships with a permanent, write-on label affixed to the body, making it easy to tag and identify locks in multi-lock lockout-tagout programs. Keyed-alike configuration means multiple 410KA-BLUE units can be operated with the same key, streamlining access management on job sites.
This padlock is well suited for light industrial, commercial, and facilities-maintenance environments where standardized keying across multiple locks is a priority. Electricians, maintenance technicians, and safety coordinators commonly deploy keyed-alike padlocks as part of OSHA-compliant lockout-tagout procedures. The blue color coding supports visual differentiation when multiple lock types or user groups share the same work area.
Designed as an OEM-style keyed-alike padlock for use in standard lockout-tagout programs and general-purpose locking applications requiring a 1.5-inch body format.
Padlock installation requires no tools. Before deploying in a lockout-tagout program, verify that the hasp, cable, or lockout device accommodates the shackle diameter and clearance of this lock. Keyed-alike sets should be audited periodically to confirm key control integrity. Follow OSHA 29 CFR 1910.147 control-of-hazardous-energy requirements when using padlocks as part of a formal LOTO procedure.
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