Dremel 4486 Dremel MultiPro Keyless Chuck  

• Manufacturer  Dremel
• Part#   4486 
• Chuck allows quick and easy accessory changes without changing collets
• Accepts accessories with 1/32-Inch to 1/8-Inch shanks
• For use with DREMEL rotary tool models 275, 285, 395, 398, 750, 770 and 781