This transparent display case is for 42151/42137/42153/42161/42162/42165/42169/42173/42184/42196/42204/42208/42212 model. Display case inner size: 35 x 15 x 10 cm /13.8 x 5.9 x 3.9 inch (Length x Width x Height) Package Including: 1 x Display Case (5 transparent panel + 1 black plate) 1 x Mounting pack Frequent Problems 1, Why is display case blurred? After completing display case assembling, please make sure you have tear off 2 protective films of each panel. Only after you tear off 2 protective films, you can see the transparent display case . 2, Why does hole not match connector ? Mounting connector should be attached inside of each panel, it will be matched. 3, Why is Pin not being locked? Please insert " Cover / Cap " inside of hole, then insert "Pin" inside hole, Press tightly till hear "click" sounds, which means locked. Don't insert "Pin" only, otherwise, it can not be locked. No matter what problems you have, please tell us to get solution. Thanks!