Check the listing for details. SKB 3i-4214-TKBD iSeries 61-key Narrow Keyboard Case. Condition: New with tags. Listed at 344.99 USD. A ThinkTank for Your Svelte 61-note Keyboard If you travel with your keyboard, give it the superior protection of an SKB waterproof, injection-molded ThinkTank case. Molded from ultra-high-strength polypropylene copolymer resin, ThinkTank cases feature a gasketed dust- and water-tight design. Dense Velex-covered foam blocks in different sizes plus high-quality hook-and-loop fasteners provide a cushy, secure fit for every keyboard. The foam pieces are easily re-positionable, giving you the benefit of a deluxe, custom-made case for your keyboard — without the custom price tag. The SKB 3i-4214-TKBD is made to fit narrow 61-note keyboards such as Dave Smith Instruments' Prophet REV2, Electro 5D 61, Korg Kross 2-61, and the Hammond SK1.