(4) 12x1.25 REPLACEMENT SPLINE DRIVE LUG NUT & 1 TOOL WHEEL LOCK KEY BLACK 12x1.25MM Retail Packaging, SET OF (4) PLUS (1) KEY Lug nuts are cold-forged and thru-hardened for increased strength. Spline drive fits small diameter recesses. Spline style provides added torque during installation and removal.