Click to expand Tap to zoom Havis Heavy-Duty Adapter Plate for Swivel Arm Mounts by Havis $16.80 | / SKU C-HDM-307 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Features Specifications Features Allows for strong and comfortable positioning of swing arm mount (MD-ARM-XXXX Series) 0-inches offset from center of pole towards the center of vehicle Bolts to C-HDM-200 Series telescoping poles for easy installation (sold separately) Specifications Gross Weight: �0.50 lbs Abbreviated Product Description: FXDADP, HDM, 0OF, Download any of the following documents for additional product information: Isoview Drawing (JPG)