This baby pin is easily slotted into Mafer-style super clamps with hex receivers, including the Matthews Super Mafer Clamp, Manfrotto 035, and the Avenger C1575B. The other end of this pin is an industry-standard 5/8" mount that will work with a wide variety of lighting fixtures or with 2.5" grip heads and Magic Arms for complex setups. That end has anti-twist knurling to keep your fixtures and accessories stable.