The choke tube case is made of polypropylene with internal dividers and a foam pad to help prevent rattle and protect threads. The transparent lid allows a quick view of stored chokes. It will hold six extended tubes and depending on the choke, there is room for most factory wrenches or choke lube. MAX tube length = 4.05" in the six slots. Size Extended Chokes Type Choke Tube Case Model Choke Tube Case Finish Clear Smoke Series 6 Extended Capacity 6rd Hardware Foam Pad Material Polypropylene