The OLFA CHB-1 is a replacement chenille and textile cutter blade for creating chenille effects and controlled fabric cuts on the OLFA CHN-1 tool. It is designed only for use with the OLFA CHN-1 Chenille Cutter and is made from double-honed tungsten steel for a sharp, durable cutting edge. Install with the cutter secured, keep unused blades stored safely between projects, and follow tool instructions when changing the blade.