HELIX, SOLIX MOUNT / 9″ ARM / DUAL BASE / 4″ ARM / HELIX, SOLIX MOUNT / ANODIZED BLACK / SILVER KNOBS The HELIX and SOLIX MOUNT features a dual base and 9″ arm for added stability, while the 4″ arm and anodized black finish provide a sleek and durable design. The silver knobs add a touch of style to this high-quality and expertly crafted mount.