For sale is an M1 Mastery Bridge for USA-made Fender offset guitars. Bridge is in excellent condition with very little use. There is a light scratch on the bottom plate that isn't visible in the photo. I bought this bridge new last fall for an AV65 Jazzmaster that I never didn't care for. Includes the box, allen keys, bridge and saddles. It does not include thimbles. For USA Fender, it's an easy drop in. $120 includes paypal and USPS shipping in the US.