Callaham Trem Arm, Virtual Pop-In, '64 (LH)

THIS IS A LEFT-HANDED ARM! Callaham's "64" arm length is taken from an original arm from a 1964 Strat. Note: Callaham's pop-in arms are suitable for use only with Callaham Enhanced Vintage blocks (all Callaham blocks are Enhanced Vintage unless special-ordered without this feature). If you have a traditional threaded block, then Callaham's fully-threaded arms are what you'll want. Available in three lengths, Callaham's pop-in arm has a reduced threaded length as compared to traditional arms (see photo above) It is therefore unthreaded where it bears against the Delrin bushing in a Callaham block, and this allows you to push it in, then spin it once or twice to engage a thread or two. 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 (though engaging a couple of threads is suggested), hence the name. Callaham's arms are made of stainless steel, so there's no plating to worry about, and the arm will ne