Nickel thumb grip styles increase leverage and user comfort, soft steel handles limit the potential for dangerous fracturing under excessive load, self-ejecting models with spring-loaded ejectors ensure key disengagement after tightening, never apply extensions, pliers, wrenches or 'cheaters' Of any kind to chuck key handles, do not subject chuck key handles to hammer or other impact blows
The Jacobs K3C Thumb Handle Chuck Key with 5/16-Inch pilot size can be used for Jacobs 34-33C and 633C chucks. The Jacobs K3C is equipped with Nickel thumb grip styles to increase leverage and user comfort, while the soft steel handles limit the potential for dangerous fracturing under excessive loads. Each Jacobs K3C Thumb Handle Chuck Key includes a one year factory warranty. The Jacobs K3C Thumb Handle Chuck Key is a part of Jacobs comprehensive selection of precision crafted keys to meet any need.