MASTER LOCK LARGE PORTABLE GROUP LOCK BOX WITH KEY WINDOW
The S602 Group Lock Box is engineered for maximum durability, crafted from 430-grade stainless steel to deliver superior corrosion resistance even in the harshest industrial environments. Built with rugged, enhanced design features, this lock box is stronger, easier to operate, and ideal for group lockout/tagout (LOTO) procedures.
Equipped with 19 lockout holes—including one on the front latch for the operations lock—the S602 ensures secure, efficient management of multiple locks during maintenance. A clear, impact-resistant front window with a removable key cup lets team members easily verify that keys are safely locked inside.
For added convenience, the box features a rewritable tag for noting machine or procedure details—write with a permanent marker and clean with isopropyl alcohol for reuse. The stackable design makes storage and transportation of multiple boxes simple and space-efficient.
Key Features of the S602 Group Lock Box:
- Premium 430-grade stainless steel for exceptional strength and corrosion resistance.
- Clear impact-resistant window for easy visibility of secured keys.
- Rewritable tag for customizable lockout procedure or equipment notes.
- 18 numbered lockout holes for organized, quick identification.
- Front latch lock hole for operational lock security.
- Flanged side design for smooth, easy lock application.
- Gasketed key slot to drop keys directly into the removable cup.
- Drain holes to prevent liquid buildup inside the box.
- Stackable design for compact storage and easy transport.
The S602 Group Lock Box delivers unmatched durability, visibility, and organization—making it the go-to lockout/tagout box for safety-conscious workplaces.

