Description:0.4-3.4mm Keyless Chuck Universal Electric Grinding Chuck For Dremel Rotary Tools<br>Specification:Material: Metal，high-heat treatmentClamping range: 0.4-3.4mm      Inner Diameter: 6.5mmExport diameter: 9\/32 inch ，Distance 40 teeth.Color: BlackFits for Dremel 4000， 400，3000， 398， 395， 300， 285， 275， 200， 100， 8200， 800， 780， 770， 7700， 750<br>Note: It can be used for Dremel  8050-N\/18.It only fits for genuine Dremel tool. It can't be used for duplicated Dremel tool or Rechargeable Dremel.<br>Please note that this chuck is not suitable for SKU129324 Dremel MultiPro 220V Electric Grinder Rotary Variable Speed Power Tool.<br>Features:Universal chuck Mini Quick Change Keyless ChuckChuck allows quick and easy accessory changes without changing colletsEasy to use and install.    Conveniently， safely &amp;amp; quickly.    Easily locks onto and releases drill bits.    Allows drive power tools to use conventional drill bits  <br>Package Included:1x 0.4-3.4mm Keyless Chuck