SJ52 Filter GND8 100x150mm Reverse 3 f-stops Graduated neutral density filter

SKU: KF01.1148

A
It contains the adapter to hold the #10 ND filter and a convenient carrying case. I was under the impression that it contained the whole set of filters. 
A
No, it's just the filter with case. But any brand of 100mm square filter holder kit will work (Lee, Kase, Nisi, Tiffen, etc) which accept 2mm thick glass filters. I have Kase one.