HP Laser 107a Mono Laser Printer 4ZB77A HP Online Hobie Firewall. The Boonedox Hobie Firewall is a mounting platform designed for Hobie Pro Angler kayaks, specifically tailored to fit the mast pole. It provides a stable and secure location for installing electronics such as batteries, wiring, switches, and sonar systems, including Garmin LiveScope units. Key Features Material: Constructed from marine grade HDPE (High Density Polyethylene) for durability and resistance to corrosion. Dimensions: Approximately 18" W x 7" H x 5. 25" D, offering ample space for mounting equipment. Mounting: Designed to attach directly to the Hobie mast pole, ensuring a secure fit. Included Accessories: Comes with a 40" adjustable strap and hardware kit for installation. Installation & Usage Installing the Boonedox Hobie Firewall involves securing it to the Hobie mast pole using the provided hardware and adjustable strap. Once installed, it serves as a stable platform for mounting various electronic components, ensuring they are easily accessible and securely positioned.