I purchased this new and have kept it in storage. I opened the package, but I haven't used it. This is the new type, but it can also be used with the old original. Below is the product description from Soundhouse. Please refer to it. ※This is the new specification. The more rounded front edge can be used with both the new CNC saddle and the old original saddle. Set of 6 insert blocks for locking the strings of a FLOYDROSE saddle. ■Insert block for Floyd Rose Original ■Set of 6 ■New specification (2021-) ※Can be used with both the new CNC saddle and the old original saddle.