New Acrylic Rotating Locking Display Case For Countertops & Showcases. This is a new rectangular acrylic rotating display case with four shelves. The shelves can be taken out to make this a single display unit. With this case you can beautifully display your jewelry so your customers can easily pick their favorites. This case rotates for easy viewing. Keep the inner contents safe with the lock. There are two keys for the lock. Perfect for counter use in your store or at a show. Each shelf is bent upwards in the center and measures approximately 12 1/2" x 7" (317.5 x 177.8 mm). It measures approximately 13 1/2" x 7 3/8" x 17 3/8" (34 x 18 x 44 cm).