HEXDRIVER in 6AL4V Grade 5 Titanium. Rotary Broached 1/4" hex tip with neodymium magnetic retention. Ceramic blasted and anodized 1/2" Titanium with Appx .900" polished and heat colored MokuTi bearing cap. (This is Greg's original description.) Preowned, excellent condition, and ships in a padded zipper pouch.