Optimum Alkaline Battery, AAA, 12 PK ORS NASCO permanently lubricated three speed floor fan Durable permanently lubricated three speed floor fan Durable aluminum blades Coated steel guards with retaining clips Designed for use in clean and dry commercial environments such as schools Accepts up to 13 individual locks Simplifies lockout of large equipment Ensures that no one employee has access to the box unless ALL employees have removed their locks or tags Duracell® Optimum batteries contain 4X of Duracell’s patented POWER BOOST Ingredients vs Coppertop Packaged in a new slider pack with a resealable storage tray that provides a more organized way to store your batteries Available in AA and AAA battery sizes