The Zona Tool Holder with 2 Collets features a comfortable wood handle. It's ideal for use with small tools including chisels, files, reamers, beading tools, burs and gravers. This tool holder includes two collets with capacity of .015"p .050" and .062"p .113" (.381p 1.27mm and 1.574 p 2.87mm) diameter. 3-7/8" overall length.