This unique two piece design includes a chromoly SCM435 alloy nut and lock with Steel key. A Duralumin shell screws on with a the provided ABS key which significantly reduces the chance of the Duralumin shell to be scratched when installing or removing the lug nuts.

RL53 - Open Ended Style
CL53 - Closed Ended Style

Features:

• Thread size: M12xP1.50 or M12xP1.25
• Total length: 53mm
• Shell type lock set is included
• Steel cores provide excellent strength and durability
• Special plastic adapter (19mm hex) prevents scratching when for removing aluminum shell for hand tightening
• Included : 16pc lug nuts + 4 lock nuts + 17mm HEX & 21mm HEX key adapters
• Style Options Include : Open End 53mm or Closed End 53mm
• Anodized Color Options : Red, Black, Gold, and Blue