Product Features Adapter plate attaches to the top of an angle bracket on any C-HDM-100 Series base to allow the offsetting of a solution by 2.5-inches Materials: Heavy-duty construction for rugged durability black powder coat finish for anti-glare and rust prevention Product Specs User Manuals and Installation Instructions View C-HDM-409 Manual Availability, Lead Times and Shipping Please note that ALL Gamber-Johnson and Havis mounting and docking equipment typically takes at least a week to ship. Lead times can often be 3-6+ weeks or longer depending on the exact items purchased. The following is guidance only and changes frequently. Basic mounting hardware such as plates or poles: 1-2 weeks to ship Vehicle-specific kits or more complex mounting solutions: 2-4 weeks to ship Powered docking stations with port replication: 4-8+ weeks to ship. Please call, email, or chat with us to discuss lead times as it specifically relates to your needs. Expedited shipping methods selected at checkout do not speed up lead times but rather reduce transit time when an order ships.