SR1 Performance Lug Nuts and Wheel Locks Set 12mm x 1.50 Thread size : (Black) FULL KIT: Includes 16 lug nuts, 4 locking lug nuts and 1 key - 21 pieces total. ***Please contact us if you are missing pieces from your set and we are happy to send replacements.*** Extra keys are also available for purchase. POWDER COATED: Each lug nut has been powder coated gloss black for a very durable and long lasting finish. These will match your new aftermarket black rims perfectly for a classic and all black look. FITMENT: Please check your wheel specs to be sure they will fit your wheels! LOCK & KEY: Protect your investment! This set comes with 4 locking lug nuts (1 for each wheel) and a key to make sure no one can steal your new wheels. CHECK SIZING: These are 12mm x 1.50 Thread size - 13/16" Hex size - 1.40" Overall length. You should be able to figure out if these fit on your wheels based on the specs of your rims.