White Knight 791707SBKAM Black Chrome Finish 12mm x 1.50 Thread Size Bulge Acorn Lug Nut Wheel Installation Kit with Wheel Lock, (Pack of 16) Thread size: 12 millimeter x 1.50 Height: 1.40 inch Hex size: 3/4 inch Seating: Conical 16 lug nuts, 4 locks, 1 key