Specification:
Material: Metal,high-heat treatment
Clamping range: 0.4-3.4mm
Inner Diameter: 6.5mm
Export diameter: 9/32 inch ,Distance 40 teeth.
Color: Black Fits for Dremel 4000, 400,3000, 398, 395, 300, 285, 275, 200, 100, 8200, 800, 780, 770, 7700, 750
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.

Features:
Universal chuck Mini Quick Change Keyless Chuck allows quick and easy accessory changes without changing collets.
Easy to use and install.
Conveniently, safely & quickly.
Easily locks onto and releases drill bits.
Allows drive power tools to use conventional drill bits.

Package Included: 1x 0.4-3.4mm Keyless Chuck

• 100% brand new and high quality.
• Easy to use and install.
• Conveniently, safely & quickly.
• Easily locks onto and releases drill bits.
• Allows drive power tools to use conventional drill bits.

100% brand new and high quality.QST EXPRESS