Choke Tube Case - CT9 MTM has THREE different sized choke tube cases to protect your valuable choke tubes. Both are made of rugged polypropylene with two internal dividers and a foam pad. The foam pad helps prevent rattle and protect threads. Pending on your chokes, there is room for most factory wrenches and choke lube. Designed to hold 20, 12, 10 gauge chokes. Holds six extended or nine standard tubes.