Supplied with 1/4" and 3/8" camera fixing screws. Fixing 1/4" and 3/8" thread. 410PL plate included. Equipped with 2 built-in spirit levels. Specifications: attachment: 1/4" and 3/8" screws attachment type attachment (bottom): 3/8" female thread attachment type attachment 2: 1/4" female thread attachment type bubble spirit level (no.): 2 number color: black color material: aluminum plate type: 410PL quick release: yes secondary safety system: yes weight:...