Allows use of 3/8" camera mounting plate in to 16mm socket. Compatible with 035 Super Clamp and 484RC2 or 486RC2 Ball Head for example. Diameter: 59,5mm Manfrotto 208 Replaces: 2934 Specifications: Attachment: 3/8" screw attachment type Color: silver background Color Diameter: 2.34 in Material: aluminum Weight: 3.70 oz