Minerallac® Fast Support Clip, Stamped, 0.433 to 0.535 in Wire, Clip-On Mounting, For Use With: 14-2, 14-3 and 12-2 Cable 12 AWG Thru 8 AWG Wire and 12-3 Cable 12 AWG Wire, Specifications: Black, Spring Steel, Zinc Phosphate/Oil