McGard lock nut set (4 nuts + 1 wrench). Open nuts with M12x1.5 thread. Order number for nut covers M70005 or M70006. Nut height 19.7 mm. Socket diameter 28 mm. Key size 19/21 mm. Do not use a pneumatic wrench to tighten the lock nuts! Each package comes with an ID number. You can order a spare socket using this code!