The small hole is shallow. It's specifically for the included small knife. Please understand this before purchasing. This is a new, new item. There may be some individual differences. I look forward to positive feedback from both parties. The photos may have slight color differences due to lighting and the camera. Please understand. I am not an expert, and this item has not been professionally appraised. I apologize, but please check the images, size, etc., and make your own judgment before purchasing. I may not be able to accurately convey the condition and size of the item. Please understand. Regarding the size, it is measured and photographed personally, so please understand. Cancellations after purchase are not accepted, so please be careful when purchasing. I do not issue receipts, so please be aware of this.