For fastening small diameter drill bits in the Chuck mini-drill, the assistant Amateur radio operators and hobbyists, perfect for collet clamping device of an ordinary compass, which is a graphite rod is inserted a thin drill bit. D. BELICHENKO, Dnepropetrovsk
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Fine fasteners — nut, washers, jump rings — easy to store (and use them), if you sort out and strung them on pins, not forgetting of course to close the head.
