Arm Segment 6" DoubleYS & Ball super light Arm Monitor Halter /1pcs The Control System 6" Double YS & Ball Arm is the shortest in its category and works seamlessly with the rigging system or underwater arms. Items Included: Systems DB-06 6 In. Double Ball Arm Used with the Ikelite remote TTL Slave Adapter, Ikeltie EV controller or any Spotting Light. Adapter. matching with ULCS, Ikelite, Sea & Sea, Inon. Material: corrosion-resistant aluminum alloy(6061) hard anodized finish. All items are BRAND NEW and packaged in plastic bags.