Amarine-made Stainless Fishing Rod Holder Angeled and Flared with Liner - 1/3" Coped Blade 1/3" coped attachment blade 1-3/4" Inner diameter white liner (top) 10.1" L with flared design for easy rod placement Designed for welding to towers, T-tops, radar arches, railings or leaning posts The 1/3" coped blade is designed to weld onto tower or rail tubes & each rod holder has a welded in I-beam to keep your fishing rod butted securely in place.