Kase new slots for K9 holder is compatible with K100 1.1mm and 2mm square filter

Good news! 🤗 Now you can use Kase K100 wolverine 1.1mm square filter on K9 holder freely without changing the slots. Kase upgraded the new 2 in 1 slots for K9 holder, which is compatible with K100 wolverine 2mm and 1.1mm thickness square filters. Both thickness square filters can be inserted in either slot of K9 holder.