Hart Hat Clips are the ideal hard hat accessory for most full brim hard hats. Intended to secure a utility band to a full brim hard hat. Many different construction trades wear bands on their hard hats to attach needed utility accessories. These hard hat clips provide the needed convenience of a stable band installation on full brim hard hats that lack integrated headlamp clips. The hard hat clip installation is very simple, just hook the clip to the edge of the helmet, then slide the band into the clip groove to effectively fix the headlight. Four pieces included. Two sizes for front and back.