1-1/2" Thru-Hull, Cast
316-Grade Stainless Steel

Standard Barbed Thru-Hull fitting for 1-1/2" hose size

See Dimensional Picture for Reference:
A: 2.75"
B: 1.87"
C: 2.00"
D: 1.80"
E: 1.50"
Drill Hole Size: 1-3/4"