The most reliable and hassle-free instrument strap lock system ever devised. No need to remove or replace existing strap buttons on your guitar; just slip easily installed Strap Blocks over the existing strap buttons and thats ityoure ready to go, with your strap locked securely in place.
Strap Blocks work with most OEM strap buttons, and are available in convenient four-packs.

Model Name: Fender Strap Blocks 4-Pack, Black (2) and Red (2)
Model #: 0990819000
Series: Strap Locks and Buttons
Country Of Origin: US
Color: Black and Red
Dimensions: 0.03x2.50x4.50 IN
Weight: 0.01 LB