Hercules AS100-K Electric Rotary Fabric Mini Cutter with GENUINE Hercules Replacement Parts (OEM Replacement Round Blade) THIS IS A GENUINE HERCULES OEM REPLACEMENT PART, NOT A KNOCKOFF! High speed hexagonal knife Fits Hercules Electric Rotary Fabric Mini Cutter Shears (ASIN: B000QVE9KU) Also fits Allstar Electric Rotary Fabric Mini Cutter Shears