The base, as it is, closely allows to pivot the peeler in place with the windlass already installedBase is flat 1/4 inch thick barPeeler is made of 1/2 plate. This is the front (non-peeling size)Back angle is to clear the haws pipe. 1 1/2 space to fit a bolt between legs.Back peeling edge is straight up and down Most dimensions are pretty accurate; only the radius at the top went through some adjustments to have it fit very close inside the windlass groove.