FLUSH MOUNTStainless Steel Rod HoldersWith 1/2" Threaded DrainThese larger 70C series models feature a beautifully rounded cast bottom end with a 1/2" tapered pipe threaded drain. Use them when the bottom of the rod holder must have a decorative appearance, or add a drain tube and use when there is dry storage space under the rod holder.They feature a super tough cast stainless steel gimbal bar designed to hold up to the punishment of downriggers or heavy tackle. A white vinyl liner protects rods and is keyed with the gimbal so the liner stays in placeANGLE:15LENGTH:9"I.D.:1-5/8"Diameter (Inches) 1-5/8"