Manfrotto 755CX3 MDEVE Carbon Fiber Tripod with 50mm Half Ball & Center ColumnManfrotto 755CX3 MDEVE Carbon Fiber Tripod with 50mm Half Ball & Center Column This two stage tripod features a perfect combination of low weight and high load capacity materials used for its construction and a built in 50mm half ball leveling system locked by a detachable rotating grip, which allows the camera operator to level the camera without needing to make micro adjustments to each individual tripod leg. attaches by. 3 8" screw attachment type