7Pack ER11 Spring Collet Set for CNC Engraving Milling Lathe Tool 1.0mm-7.0mm
Feature: Style: ER11 Function: Drilling, Milling Control: CNC, Engraving machine Machine Type: Milling Machine Material: Formulated spring steel Item Diameter: 7 Millimeters Quantity: 7 Pcs Material: High Grade 45 Carbon Steel Total height: Approx. 18mm Outer diameter(Max): Approx. 11.5mm Gripping Range: 1MM to 7MM (1mm,2mm,3mm,4mm,5mm,6mm,7mm) Please check pictures for more details. .