There are two additional sets of protectors available for replacement. It does not look like it was ever mounted to a bench, and the wood block (pin) and shelf appear unused.In the event it does not sell as intended, I will break it up and sell piece meal. If you want something different let me know and I will attempt to accommodate you if I can. The item "GRS BENCHMATE" is in sale since Thursday, May 12, 2016. This item is in the category "Jewelry & Watches\Jewelry Design & Repair\Jewelry Tools\Engraving Tools". The seller is "hdgtopothehill" and is located in Easthampton, Massachusetts. This item can be shipped to United States.