Description: This Collet Is Made Of High Quality Steel For Milling Lathe Tool And Work-holding Engraving Machine. Er11 Straight Rod Type Collet Extension Handle Body Is Relatively Long, Suitable For Deep Hole Processing. The Nut Can Be Directly Tightened To Provide A Powerful Clamping Force. This Collet Can Reduce Costs, Improve Efficiency And Would Be A Good Part For Your Old One. Specifications: Type: C16-er11-35l-5mm Height: 40mm / 1.57 Inch Shaft Diameter: 16mm / 0.63 Inch Shaft Inner Diameter: 5mm(0.02mm) / 0.19 Inch Nut Diameter: 19mm / 7.48 Inch Nut Inner Diameter: 9mm / 3.54 Inch Colour:silverblack(package Color Is Random) Material: Steel Package Contents: 1 * Motor Shaft Collet 1 * Er11 Collet Only The Above Package Content, Other Products Are Not Included. Note: Light Shooting And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.