Features• 430-Grade stainless steel construction maximizes corrosion resistance• Clear, impact-resistant window provides visibility to secured keys<• Side window to view unused locks (S601 only)• 8 numbered lockout holes for easy identification• Latch with lock hole on front for operations lock• Flanged design on sides offers easy application of locks• Gasketed key slot to drop keys into removable cup<• Drain holes on bottom to limit liquids from accumulating inside<• Stackable design facilitates storage and simplifies transporting multiple boxes