Master Lock 503YLW Group Lock Box for Lockout/Tagout, Steel, YellowPowder-coated steel box lockable by up to 14 safety padlocks or haspsKey storage clips on back wall to keep up to 12 keys organized, capacity for hundreds of loose keysSlot at top of front wall for adding loose keys when box is locked shutDual application: four holes for wall mounting, stainless steel handle for portabilityLimited lifetime warranty