Products BaseOther Base Back Antenna Rail Mount 156-0033Y-00 Item Number: 156-0033Y-00 Thread: 1" (25.4 mm) Weight.(g): 560 You May Also Be Interested In 90° Base 956-09995-00 30° Base 956-09999-00 Swivel Eye Bull Snap 256-01351-00 Hold Down Clamp 956-08300-00