20 Red Steel Locking Heptagon Security Lug Nuts Lugs For Wheels/Rims 12X1.25 L12 for Scion FR-S Threaded to 12X1.25mm Lugs weight 33 grams each. 60 degree conical style seat. Locking lug nuts (7 sided design). 32.5mm long and 22.2mm wide at the base.