Helps you sort and organize keys Tags fit most slotted rack-style key cabinets and boards. Tags can be written on with pen, pencil or permanent marker. Snap hooks are nickel-plated and can accommodate 1 or more keys. MMF Industries STEELMASTER Slotted Rack Key Tags, 1 1/2in., Assorted Colors, Pack Of 20 is one of many Key Control & Locks available through Office Depot. Made by MMF.