ITEM NAME:Durable 4+1/Set M12x1.5 Steel Wheel Lock Lug Nut Chrome Locking Nuts D VAE Descriptio n Description These are metal material, we highly recommend that you to not use impact gun to mount the lugs. Hand tools only for mounting/removing. Please use a torque wrench to torque each lug nut to proper specs before starting to drive. There are no installation guides included. Material: made of iron Color: silver Weight: 0.34 kg Product list: internal thread type 4+1 anti - theft nut Size:Â Â Â M12 X 1.5 Feature: 100% Brand New and High Quality. According to the original factory specifications. Perfect match for the original car. Easy installation Stable characteristics, high reliability. Corlor: Silver Note: Due to the hand measurement, there have size error about 1-5mm Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same We offer you what you need! Durable 4+1/Set M12x1.5 Steel Wheel Lock Lug Nut Chrome Locking Nuts.Product list: internal thread type 4+1 anti - theft nut. We'd like to settle any problem in a friendly manner. Perfect match for the original car. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted.