Add a touch of class to your home or office with one of River Oak Outdoors’ Inc. wall hung duck call display cases. This 20 call display case is handcrafted of solid wood, includes two lanyard hangers and mounting hardware. Perfect for collectors with limited wall space. Shown in Natural Oak, other colors are available. This case features the Waterfowl-Dowel™ system of interchangeable dowels and O-rings. Calls are placed on 1/2" dowels with an assortment of O-rings that provide a secure fit for each call. Additional 5/8” Goose and 1/4" Insert Waterfowl-Dowels™ can be purchased separately under the Waterfowl-Dowel™ page. Please allow two weeks for delivery. Due to the various call sizes not all calls may fit securely on the Waterfowl-Dowel™ system. River Oak Outdoors, Inc. is not responsible for damage to any calls.