Marine Grade Stainless Steel Fish Rod Holder Mount with Ball Swivel Marine Grade Stainless Steel Fish Rod Holder Mount with Ball Swivel is our most popular mount and is constructed of marine grade Stainless Steel tubing and Rubber Ball Swivel. With an extremely high adjustment range and sturdy draw tight handle design this heavy duty mount is the strongest, most corrosion resistant, and most versatile mount on the market. Use with any grill, single mount bait/filet table, or Tournament Series cleaning station. Marine Grade Stainless Steel Tube with Tube ID 1-7/8" Length 16" With Rubber Ball