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This block fits most American and Mexican vintage 6-screw bridges. You can use your standard tremolo arm with this block, though a Callaham virtual pop-in arm is recommended.
Block:
All Callaham blocks are made of 1018 cold-rolled steel like the vintage originals, which contributes to the sustain and harmonic content that has made these guitars legendary. Replacing a block made of inferior materials (zinc, leaded steel, sintered steel) with one of Callaham's blocks will make a real improvement to your tone.
Enhanced Vintage Design:
The block is Callaham's Enhanced Vintage design, which utilizes a Delrin bushing in the arm hole, for the arm to bear against. With traditional threaded block designs, when you use the arm you create forces that are concentrated right on the threaded portion of the arm - its weakest point. This is where arms typically break. Callaham's solution is to leave this bearing-portion of the arm unthreaded, and to insert a Delrin bushing into the block for it to bear against. (Delrin is similar to nylon). This virtually eliminates broken arms.
Virtual Pop-In Arm:
While Callaham's arm is unthreaded where it bears against the Delrin bushing, it does have a few threads at the end. This allows you to push it in, then spin it once or twice to engage a couple of the threads. The threads are there simply to keep the user from inadvertently pulling the arm out during use. So the arm is "virtually" a pop-in design, but engaging a couple of threads is suggested.
DOWNLOAD A COPY OF OUR CALLAHAM TREM BLOCKS DATA SHEET AND COMPATABILITY DATA SHEET TO CONFIRM WHICH ONE YOU NEED.
HERE IS A COPY FROM CALLAHAMS SITE OF THE STRATOCASTER BRIDGE COMPATABILITY SHEET
Specification:
(exc. 20% VAT)
