Bag Sealer not performing as well as it once was? Chances are you just need to replace the blade. These razor sharp replacement trimming blades are specifically designed to suit our Automatic Bag Sealers (DDI000160 & MABSCSS). Bag sealers are designed to quickly and easily tape plastic bags, produce bags, ice bags bread bags and more closed, saving time at the register and in pre-packing departments.