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.

Wax Carving Burs feature widely-spaced cutting edges for aggressive material removal without clogging. They can also be used for carving wood and plastic.