Up for sale we have a Martin SK 1 3/8 Keyed Bushing QD in very good condition.
It was installed for a repair, but then removed because it was the wrong size.
Other than the installation, it is brand new. The inner
diameter is 1-3/8 “. The outside diameter that fits inside the pulley is 2-3/4 “.
WT 3 lbs DIMS 4x4x2