Attractive flush-mount rod holder Heavy-duty cast 316 stainless-steel flange resists corrosion 304 stainless-steel tube includes vinyl liner to protect the rod Tube is 9 inches long, with 1-5/8 inch inner diameter (ID) Flange measures 3-1/2 x 4-1/2 inches Manufacturer part number 50-89021 UPC 719249890210 ASIN B002IZDP48 Color Chrome Brand Name SEACHOICE Manufacturer Seachoice Fits Rod Size 1.63 Inches Material Type Stainless Steel Mounting Type Flush Mount Item Type Name boating-hardware-and-maintenance-supplies Included Components End Product & Information Warranty Description http://www.seachoice.com/warranty-information Global Trade Identification Number 00719249890210