Master Lock S601 Portable Group Lockout Box with Key & Side Window engravable A50MK Solid Steel Padlock features

A50MK Solid Steel Padlock features a 2in (51mm) wide solid steel body and a 1-1/8in (29mm) tall

One directional dial feature for low light applications

Replacement lock caddy (S3503)

Black powder-coat

Center knockout can be removed for rising stem gate valves

Master Lock S601 Portable Group Lockout Box with Key & Side Window engravable A50MK Solid Steel Padlock featuresThe Master Lock No. S601 Group Lockout Box is made of stainless steel to withstand the toughest environments. The rugged construction offers enhanced design features, making this box stronger and easier to use. The S601 includes 19 total lockout holes, including one on the front latch for the operations lock. The box includes a removable cup that creates a clear, impact resistant window on the front, allowing participants to see keys are secured