I personally have pin vise with twisted shaft and sliding collet like this one http://alexnld.com/product/mini-pin-vise-wood-spiral-semi-automatic-hand-drill-wi

I personally have pin vise with twisted shaft and sliding collet like this one http://alexnld.com/product/mini-pin-vise-wood-spiral-semi-automatic-hand-drill-with-chuck-for-jewelry-tool-micro-twist-bit/ http://alexnld.com/product/mini-pin-vise-wood-spiral-semi-au....