Check the listing for details. 1 Set (2 pieces) Universal Quick Change Guitar Strap Locks For Rok-Lok. Condition: New. Listed at 19.99 USD. Description: KIT INCLUDES: 1 Set (2 pieces) Universal Quick Change Guitar Strap Lock Comaptible with Rok-Lok Works With the Strap Buttons of Most Guitar and Easily Attaches to Every Type of Guitar Strap. Please Note: The Rok-Lok will work with most guitars, but is not compatible with the strap button output jacks without an adapter (sold separately). OUR PLEDGE TO YOU: 30-Day Money Back Satisfaction Guarantee! Fit and Function Guarantee！ Fast & Free Shipping! (Except Alaska & Hawaii) Buy with confidence！ Have questions? Send us a message with your model number and spec number and we would be happy to confirm compatibility! Many replacement parts should be installed only by a professional. If you are not qualified to install this item, you are more than welcome to email us.