Check the listing for details. 1 SET UNIVERSAL QUICK CHANGE GUITAR STRAP LOCK COMPATIBLE WITH ROK-LOK. Condition: New. Listed at 19.89 USD. Description: 1 SET(2 Pcs) Universal Quick Change Guitar Strap Lock Compatible with Rok-Lok Works With the Strap Buttons of Most Guitar and Easily Attaches to Every Type of Guitar Strap. Comaptible with Rok-Lok Works With the Strap Buttons of Most Guitar and Easily Attaches to Every Type of Guitar Strap. Please note: 1. This is an aftermarket part, not an OEM one. Please make sure it will fit your machine before placing order(s). 2. If you are not sure whether the part will fit your machine or not, please message us and let us know your engine model, machine model, we will help. More information, more helpful. 3. If buyer orders wrong item, buyer will be responsible for return and exchange postage. Thank you for your kind understanding in advance.