This Attwood Plastic Rod Holder securely holds a fishing rod at an ideal angle to create proper rod tip tension. No liner is required for this white Rod Holder made of durable ABS plastic. It accommodates standard rod grip sizes under 1 ½-In. diameter, and it has a cross bar at the base to hold the rod at the proper depth. A 2 ½-In. diameter installation hole is required. The flange has three holes to accommodate ¼-In. screws. Attwood Corporation has been an award-winning leader in engineering, testing, and manufacturing of the highest quality marine products for over 100 years. We deliver safe and reliable lighting, fuel systems, water systems, seating & pedestals, swim ladders, custom upholstery, and general marine accessories that are easy to install and meet regulatory compliance.