Rupp Marine Antenna Mounting System — 1" and 1-1/2" Diameter Patented Forged Aluminum Locking Antenna Mount — Cabin Side and Tower Applications Rupp Marine's antenna mounting systems combine innovative design with a refined anodized aluminum finish for a professional, long-lasting installation. The patented locking collar holds the antenna securely while allowing convenient lowering when needed. Available in two styles — standard supports for easy cabin side mounting and threaded supports ideal for tuna towers and tops. Compatible with 1" or 1-1/2" diameter antennas. Items may be ordered individually. Key Features Patented locking collar for secure antenna retention with convenient lowering capability Forged and anodized aluminum construction for strength and durability Available in standard cabin side mount and threaded tower/top mount styles Fits 1" or 1-1/2" diameter antennas Available in 6" (Part #PAK-0004) and 12" (Part #PAK-0004-12) lengths Items may be ordered individually