Description: Marine Grade, Surface Polishing Rubber tipped end for protecting rods Easily mounts to deck with permanent base plate Can rotate 360 degrees vertically and 180 degrees horizontally to allow a multitude of positions 9-1/4" long 2" diameter tube with 1/4" 316 stainless steel pin inside, the pin across the bottom that keeps the rod from rotating. Base Size: approx. 87 x 54mm / 3.43" Screw Hole Diameter: approx. 6mm / 0.24" Screws Spacing: approx. 34mm / 1.34"; 66mm / 2.6" Tube Length: approx. 235mm / 9.25" Inner Diameter: approx. 45mm / 1.77" Material: 316 Stainless Steel Color: Silver Package Includes: 1 Piece Fishing Rod Holder 4 Pieces Mounting Screws