Manfrotto 155BKL Tilt-Top Head, Tilt-Top Head, 5/8 ""(16mm) studs on 5/8"" (16mm) studs with ball joint, Perfect in symbiosis with the Super Clamp System, One side with 3/8 ""threaded bush, other side with 1/4"" threaded bush@+*Note:* camera clip not included.