Detailed Description  professional keyboard cases Understanding that it's the details that make the difference between good design and exceptional design we created our keyboard series. It features our exclusive Z-Lock Foam System that allows you to customize the inner length, width and height of your Road Ready caseto accommodate virtually any model of Roland, Yamaha, Korg, EM-U and other 76 key keyboards. Simply lock or un-lock the layers of Z-Lock Foam to create your perfect custom fit. And for sleek, stealth mobility we equipped each case with our unique low-profile wheels. Upgrade your keyboard, not your case.