3/32" dia. shanks are the jeweler's preferred standard for burs and small rotary tools. They fit the adjustable chucks found on most flexshaft handpieces as well as 3/32" handpiece collets.

Krause Burs have a very narrow profile, making them perfect for getting into tight spaces. Use them to remove excess solder, enlarge holes and adjust hinge knuckles and clasps.

Vanadium Steel burs are economically priced. They cut precisely when new, but don't retain their sharpness as long as other steel alloys.