Description: This is a mount base for kayak or boat fishing rod holder Lightweight and easy to carry Made of nylon material, durable for long time use It can be installed securely and easily on the kayak to fix fishing rod holder A good accessory for the kayaks, boats and canoes Specification: Material: Nylon Color: Black Size (D x H): Approx. 6.5 x 3.5 cm / 2.56 x 1.38 inch Hole Diameter: Approx. 2 cm / 0.79 inch Package Includes: 1 Piece Fishing Rod Holder Mount Base 2 Pieces Screws Note: Due to the differences between different monitors, the picture may not reflect the actual color. There is 2-3% difference according to manual measurement, please check the size carefully before you buy the item