Fits neatly through a slot in a flat area of a bowsprit up to 2.5" thick. The stemhead is cast manganese bronze. Below the bowsprit is a hole to mount the bobstay wire. The stemhead has six mounting holes for 5/16" fasteners which thread into the cast backing plate. Backing plate is not pre-drilled to allow for a custom fit. Two sizes available.

SMALL
Base dimensions = 7.75" x 4" x .375"
Break strength = 11,500 lb.
Forestay clevis size = 3/8"
Bobstay clevis size = 3/8"

LARGE
Base dimensions = 7.75" x 4" x .5"
Break strength = 24,500 lb.
Forestay clevis size = 1/2"
Bobstay clevis size = 5/8"