General Tools 505 Ultra Tech Cordless Precision Engraver, 3/32" Bit Guards Also recommends replacing the O-Ring

Also recommends replacing the O-Ring kit mfg

Side & Push Wire  - Metal Strap

Dimensions : 3/16" D x 5/8" W x 36" L

One Way Ratchet

General Tools 505 Ultra Tech Cordless Precision Engraver, 3/32" Bit Guards Also recommends replacing the O-RingThis new and exciting tool enables precision cordless engraving anywhere by anyone from professional technicians and mechanics to homeowners and DIYers. Users can protect all types of valuables with identifying markings and even perform delicate personalization of items. Designed in house by Generals engineering team (Patent Pending), the engravers powerful 20,000 RPM motor is powered by just two AAA batteries and enables engraving in glass, metal,