Canon ME20F-SH Instruction Manual page 13

Names of Parts
Bottom view
1
13
2
3
1 Socket for 0.64 cm (1/4 in.) screws 3 TB-1 Tripod Base for tripods with
2 Socket for 0.95 cm (3/8 in.) screws 0.95 cm (3/8 in.) screws (A 26)
(A 26)