0.4-3.4mm Universal Chuck Keyless Chuck Electric Grinder dremel Accessories Electric Grinding 3 Jaw Chuck For Dremel tool

This is useful 0.4-3.4mm keyless chuck universal electric grinding chuck for Dremel rotary tool when use different drill bits.
Features:
Keyless chuck allows simple accessory changes without changing collets.
Universal chuck allows quick and easy accessory changes without changing collets.
Easy to use and install.  
Grind conveniently, safely and quickly.  
Useful universal collet tool accessory for Dremel and Hilda.
Specifications:
Color: Black
Material: Metal
Applying: Electric Polishing, Grinding
Item Size: 14.5mm * 22mm / 0.6 * 0.9in (D * H)
Internal Thread Size: 8 * 0.75mm / 0.3 * 0.03in
Chuck Thread Diameter: 9/32-40
Clamping range: 0.5-4mm / 0.02-1.6in  
Item Weight: Approx. 6.7g / 0.2oz
Package Size: Approx. 11 * 5 * 1.5cm / 4.3 * 2.0 * 0.6in
Package Weight: Approx. 11.2g / 0.4oz
Package List:
1 * Universal Chuck