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.

Diamond Burs/Points are made from steel that has diamond particles permanently bonded to the outside. They are ideal for carving glass, stone, ceramic, and metal. They must be used with water or another lubricant.

Inverted Cone Burs are shaped like an upside-down cone and are well-suited for making undercuts for stone setting and remove excess solder from tight spaces.