Amarine-made 30 Degree Stainless Heavy Duty Flush Mount UV Resistant Rod Holder Black PVC Cap Liner Standard 30 degree angle to vertical 1/4in diameter 304 stainless steel gimble pin 9in tall tube has 1-9/16in ID and 2in OD Stainless Steel Gimbal pins,UV resistant black PVC cap and liner High-quality, heavy-duty units with solid cast frames for superior corrosion resistance and durability