The bottom is pre-drilled with a 1/4 screw hole and a strap hole. [Applicable Models] Canon EOS 6D Body Only. Standard 39mm AS interface, in addition to supporting KS-0/KS-1 tripod heads and IS-QJ64/JZ50 and IS-QJ58 ultra-thin tripod heads, it is also compatible with RRS/ARCA-SWISS/KIRK/Wimberley/MARKINS/SUNWAYFOTO/kangrinpoche/BENRO/SIRUI and other AS standard tripod heads.
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