No tools, no hassle – attach and detach your foil with a simple tool-free one-screw solution, leaving your base plate in your preferred position for your next session.Equipped with the new AL 3BS+ connection, this mast maximizes compatibility across the Duotone foil range. Its Mono Claw design and standard foil mounting dimensions deliver the same force admission as our standard aluminum plate, ensuring top-tier performance.Available in 75cm, 82cm lengths, it's compatible with Duotone Aero AL 3BS fuselages and D/LAB foils with fuselage tail.Built with durability in mind, the Helicoil threads ensure maximum strength connections. The Mast AL QM 3BS is your gateway to hassle-free, high-performance foiling across all disciplines.