Jeweler's 9" Double-End 4-in-1 Pin Vise 0-2.5mm Classic jeweler's tool for use with micro-size drill bits, pins, wires or screws Double-end handle - each end has dual-size collets for total of 4, sized from 0.0mm to 2.5mm One tool does job of four, using two collets reduces need to swap collets All-steel with rust-resistant nickel finish; knurled tightening nuts, grooved handle for firm grip Length overall 9", 5/16" diameter; excellent quality, also available in regular 4" handle