The “Original ABR-1” has 6-32 size threaded bridge posts mounted directly into the body and the thumb wheels are separate, and has no metal bushing in the body. The USA models with “New ABR-1” have bushings inserted in the body, like the Nashville Bridge system and have integrated bridge posts and thumb wheels that screw into the bushing.
The Faber® USA ABRH Bridge from our collection of “ABR-’59” guitar bridges. The ABRH is a simple, non locking, lightweight drop on replacement bridge. that uses your existing integrated Post / Thumb Wheels. This bridge eliminates the rattling often associated with factory ABR-1 with a saddle screw retaining wire. No special skills or tools required.
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