Supplied with 1/4" camera fixing screws. Fixing 1/4" and 3/8" tread. 200PL rectangular pate included. Manfrotto 323 Replaces: 3299 Specifications: attachment: 1/4'' screw attachment type attachment (bottom): 3/8" female thread attachment type attachment 2: 1/4" female thread attachment type color: black color material: aluminum plate type: 200PL-14 quick release: yes secondary safety system: yes weight: 0.37 lbs