APT TJ3301-3 Jeweler's Pin Vise Fits 0.0mm to 2.5mm - 2 Collets Classic jeweler's tool for use with micro-size drill bits, pins, wires or screws 1-1/4" round handle with free-spinning spindle; knurled finger grip on collet nut for easy turning Includes two carbon steel collets for pieces 0.0mm up to 2.5mm; accepts other 5mm-shank collets 3-1/2" length is perfect size for holding in palm of hand to rotate spindle by finger