Features and Benefits:•Secure marker clip•Compatible with Milwaukee® hard hats•Fits into Milwaukee BOLT™ accessory slots•Easily access pens and markers•Fits most pens and markersThe Milwaukee® BOLT™ hard hat marker clip is designed to be a secure marker clip compatible with all Milwaukee hard hats. The BOLT™ marker clip secures into any of the four BOLT™ accessory slots on either side of the hard hat and the two universal slots. The hard hat clip enhances productivity providing easy access to markers while at work. This hard hat accessory is compatible with most pencils, pens and markers.