Extends the working reach of all VersaDrive toolsRapid-Lock, single handed loading action and can also be usedin combination with other VersaDrive adaptersHex shank for non-slip use in any drill chuckImproved Quick Release collar that prevents accidental tool release caused by vibrations or contact with the workpieceKnurled collar – ultimate grip in greasy or damp conditionsHigh quality, Heavy Duty steel componentsFor use with VersaDrive system in rotary modeSuitable for use in any standard 1/2 in. Drill Chuck7/16 in. Hex Shank design provides secure grip in drill chuck