07.9mm - 5/16 x 3/8 inch 80 Grit Grey Inverted Cone Grinding Stone, USA

5/16 x 3/8 inch 80 Grit Grey Inverted Cone Grinding Stone, USA

• 5/16 inch diameter x 3/8 inch long inverted cone
• 1 7/8 inches long overall in length
• 1/8 inch shank
• Required to use with Dremel Rotary Tools:
• Dremel 480 - 1/8 inch collet, or equivalent (sold separately)
• Dremel 4486 keyless chuck or equivalent (sold separately)
• 80 Grit Grey Aluminum Oxide
• Hard bonded construction
• This tough material is useful in all general purpose applications
• Maximum 68,400 RPM with one inch of the shank inserted in chuck
• New but not in retail packaging
• Made in USA by an industrial grinding products company