ITEM NAME:Engraving Machine Automatic Cutter Holder ISO30 Tool Holder Clamp Part Practical ISO30 Cutter Holder Clamp Cradle ATC CNC Machines Automatic Tool Changer SPECIFICATIONS.(ISO30 Cutter Holder Clamp Cradle ATC CNC Machines Automatic Tool Changer. 2) Engraving machine automatic cutter holder clamp. Item included: 1 x cutter holder. 5) High matching with the handle of cutter and high precision.