Swivel head pin vise with 2 double end reversible collets/chucks made of steel. Features a large swivel hex head makes it easy to hold and control. The revolving head makes this tool handy to use as a hand drill with twist drills or with taps for thread cutting. A multi use tool, with the range of the collets can hold reamers as well as screwdriver heads any round shank bits. Tool can be used for delicate work with Jewelry work, when constructing models, working on instruments and repair of watch and clock components. A well made tool and very handy tool to have.