1/2 Locking Lug Nuts/Wheel Locks Closed Bulge Acorn/Cone Seat, Black 1/2-20 Qty 4 Retail Packaging, Set of (4) Lugs and (1) Key Dual Hex Socket Key (3/4 and 13/16) Unlike other electro plated black lug nuts Our black chromed wheel locks give maximum resistance to color stripping