DPAccessories LCB4L8HC-CH04LK4 Chrome Wheel Locks 14x1.5 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 requiring a lug nut with a conical 60 degree seat and small diameter. Some applications may require the use of a thin wall socket. SPECS: M14x1.5 thread - Closed End XL Bulge Acorn Style Locking Lug Nuts - Conical 60 Degree Seat - Dual Hex 19mm and 13/16" (21mm) - 48.26mm 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) chrome wheel locks and one (1) matching key.