GENERAL PURPOSE HAND DRILLGENERAL PURPOSE HAND DRILL New chuck for quick changing drill bits, simple and effective. More Protection: capped design wich can save your drills bits from accidental knocking, breakage and Hand Puncturing. Variable cap position design: cap can be either posted at rear end to enhance confortness or removed to add pressure when drilling holes. Anti rolling cap+polygon barrel design for maximum protection. by DSPIAE with Ref: PT HD