Clip, For Use With Standard or Tall T-Grid Ceiling Troffer, Upturned or Straight Lip Troffer, Overall Length 1 3/4 in, Finish nVent CADDY(R) Armour, Standards UL Listed Clips, chains, and hangers are hardware for mounting panel or troffer fixtures and attaching multiple fixtures together. They are commonly used when relocating a fixture or changing from a surface-mount to a suspended installation.