DIY ASSEMBLY COMPUTER CASE - The atx open case is ade of 20x20 aluminum with stable vertical structure. A light and compact bare frame of building blocks, easy to disassemble and can be superimposed. Simple aluminum construction, for you to fully experience DIY fun. AFTER-SALES SERVICE - To reassure you, we provide a 12-month quality guarantee from the date of purchase. You can get in touch with us if you have any questions about the itx case during use, and we will do our best to help you. DIY ASSEMBLY COMPUTER CASE - The atx open case is ade of 20x20 aluminum with stable vertical structure. A light and compact bare frame of building blocks, easy to disassemble and can be superimposed. Simple aluminum construction, for you to fully experience DIY fun. AFTER-SALES SERVICE - To reassure you, we provide a 12-month quality guarantee from the date of purchase. You can get in touch with us if you have any questions about the itx case during use, and we will do our best to help you. AFTER-SALES SERVICE - To reassure you, we provide a 12-month quality guarantee from the date of purchase. You can get in touch with us if you have any questions about the itx case during use, and we will do our best to help you.