Specification Brand : Tackform BulletPoint1 : 8.5MM BALL COMPATIBILITY: Compatible with Garmin Dash Cam 45, 46, 47, 55, 57, 66W, 66W, 67W, Tandem, Garmin Speak, and Garmin Speak Plus. BulletPoint2 : 20MM TO 8.5MM BALL ADAPTER: Although this double ball is compatible with our 20 Series ball and socket system, the 20mm to 8.5mm double ball adapter allows you to quickly mount your Dash Cam or any other device that accepts an 8.5mm ball. Upgrade your existing plastic mount to a sturdy all-aluminum mount from Tackform. BulletPoint3 : ALL METAL CONSTRUCTION: Experience unparalleled durability with our product, meticulously crafted from premium 6061-T6 Aluminum. This high-quality alloy ensures exceptional strength, resilience, and corrosion resistance. The precision-engineered design guarantees a lightweight yet robust solution, perfect for a variety of activities. BulletPoint4 : TACKFORM 20 SERIES: Specifically designed for compatibility with Tackform’s 20 Series Platform, revolving around the 20mm ball and socket system. While compatible with other 20mm products, our parts stand out for their tested durability and engineered load capacities, featuring a safety factor not guaranteed by other manufacturers. Please Note: Not compatible with 25.4mm / 1” / B-Sized ball systems. BulletPoint5 : AMERICAN ROOTS, GLOBAL REACH: Proudly American-owned and operated, Tackform is based in Addison, IL, where we oversee design, engineering, customer support, quality control, testing, marketing, and distribution. While we manufacture globally, the core of our operations remains in the USA. Color : Black CompatibleDevices : Dash Cameras ExternallyAssignedProductIdentifier1 : 0850044740819 ExternallyAssignedProductIdentifier2 : 00850044740819 ExternallyAssignedProductIdentifier3 : 850044740819 ItemName : Tackform 20mm to 8.5mm Double Ball Adapter | Compatible with Garmin Dash Cam, Garmin Speak, and More | 6061-T6 CNC Billet Aluminum | NOT Compatible with 1" / B Sized Systems ItemPackageDimensions_Height : 2 inches ItemPackageDimensions_Length : 2 inches ItemPackageDimensions_Width : 2 inches ItemTypeKeyword : automotive-dash-mounted-holders Manufacturer : Tackform Material : CNC Machined Billet Aluminum ModelName : 20mm to 8.5mm Double Ball Adapter ModelNumber : TF-DB20-085 MountingType : Dashboard PartNumber : TF-DB20-085 ProductDescription : Tackform 20mm to 8.5mm Double Ball Adapter | Compatible with Garmin Dash Cam, Garmin Speak, and More | 6061-T6 CNC Billet Aluminum | NOT Compatible with 1" / B Sized Systems ProductSiteLaunchDate : 2024-12-18T22:34:58.084Z SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 43191615 WarrantyDescription : Lifetime Warranty