Unibit® Titanium Fractional Self Starting, 1 8 in to 1 2 in, 13 Steps no checkout Wide opening jaws provide greater versatility Wide opening jaws provide greater versatility in clamping a variety of shapes Turn screw to adjust pressure and fit Constructed of high grade heat treated alloy steel Classic trigger release designed to provide maximum locking force closed cell foam for all day comfort Breathable neoprene lower straps secure below the knee for added comfort One size fits all Large caps are over sized for more protective coverage Upper elastic strap with slide buckle fasteners for rapid fit Ideal for drilling holes into thin materials such as stainless steel plastic and laminates Single flute cutting edge for greater control through steps 3 flatted shank prevents slipping in drill chuck New SpeedPoint tip penetrates faster than previous Unibits and prevents walking