The exact dimensions of this cover are 59.1 x 23 x 7 inches, making it a loose fit over my&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/Roland-RD-300NX-Digital-Piano/dp/B004KCLX8W/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">Roland RD-300NX Digital Piano</a>&nbsp;which measures 57.125" long x 16.125" wide x 5.75" High. For a complete list of boards which are known to be compatible with this cover go to the manufacturer's site at gatorcases, locate this product page and download the cross-reference document.