DPAccessories LCB4L9CP-BK05LK4 Black Wheel Locks 14x2 Closed End XL Bulge Acorn 19mm & 21mm Locking Lug Nuts Wheel Lock Set UPGRADED SECURITY FOR WHEELS & TIRES: Our unique key-to-lock combinations will help guard your wheels and tires against theft. Recommended installation is one locking lug nut per wheel. FITS: Aftermarket wheels that take a conical 60 degree seat with 19mm or 13/16" (21mm) hex. Will not fit factory OEM wheels. SPECS: M14x2.0 thread - Closed End XL Bulge Acorn Style Locking Lug Nuts - Conical 60 Degree Seat - Dual Hex 19mm and 13/16" (21mm) - 47.75mm long - 22.86mm wide REQUIRES: Unique security key for installation and removal. One (1) key included with this set. For replacement keys contact DP-Accessories with your original key number. INCLUDES: Four (4) black wheel locks and one (1) matching key.