Tackform DuraLock 20 Series 3.5-Inch Ball & Socket Arm | Dual 20mm Sockets | Optional Anti-Theft Knobs | Black

Overview

Meet the Tackform 3.5" Long Metal 20mm Ball and Socket Arm from the DuraLock 20 Series. Built for dependable mounting in mobile and workspace setups, this arm blends rugged metal construction with practical geometry to help you position devices precisely where you need them. It is designed to integrate with 20mm ball and socket ecosystems, offering a balanced mix of strength, reach, and adjustability in a compact footprint.

Compatibility, Durability, and Safety

Designed to work with 20mm ball and socket systems used by brands like Bulletpoint, 67 Designs, and iBOLT, this Tackform arm emphasizes a tested durability and a sound safety factor. The result is a mounting solution that holds its position under vibration and movement, while remaining responsive to quick realignments when your setup changes. The construction prioritizes long-term reliability in demanding environments, with Tackform promising a build that is BUILT TO OUTLAST YOU.

• Compatibility with multiple 20mm system standards ensures broad accessory options and straightforward integration into existing rigs.
• Optional anti-theft knob adds security in transit or high-mobility environments, while helping keep joints secure when not fully tightened.
• Dual socket design provides a wide range of articulation for precise device positioning across a variety of angles.

Dual Sockets, Precise Sizing, and Real-World Measurements

The arm measures 3.5 inches from end to end, with the ball centers spaced 2.75 inches apart. For overall geometry, the setup offers an 8-inch overall length and a 7.17-inch center-to-center distance (182 mm). This combination helps you determine where your device will rest relative to the mounting base, so you can plan the layout with confidence. Note that this system is designed for 20mm balls and sockets and is not compatible with larger 25.4 mm / 1" B-Sized balls.

Your Scenarios, Your Setup

Whether you’re mounting navigation screens, action cameras, or diagnostic gauges, the DuraLock 20 Series arm provides a sturdy anchor that can adapt to changing viewpoints. The 3.5" length, dual sockets, and the option for anti-theft hardware create a versatile foundation for configurations that require frequent re-aiming or multi-angle perspectives. The black finish adds a restrained, professional look that blends with rugged equipment and vehicle dashboards alike.

• Two powerful mounting points maximize angle options while keeping a compact profile.
• Solid metal construction and tested load considerations help support a range of devices in dynamic environments.