The investment cast 316 stainless steel heavy-duty Samson post is sturdy enough to secure a tow line. Ideal for anchor lines, they are engineered to keep your vessel secure even in the roughest weather. Durable and corrosion resistant. Installs with 4 FH fasteners (not included). A 5-1/8" B 3-1/2" C 4-1/4" D 2" E 2-3/8" F 2-3/8"