GT284C Tube diameter: 29/25.6/22.2/18.8mm
Mounting screw: 1/4"
Packing list of Only Tripod:
There is a tripod bag,a tripod carton,GT284C tripod ,three stainless steel spikes,three allen keys,a short center column in the package.
Packing list of Tripod+Ballhead:
There is a tripod bag,a tripod carton,GT284C+N36,three stainless steel spikes,three allen keys,a short center column,an extra quick release plate and a ball head bag in the package.