Bullet Casing Screwdriver Set Made from Spent 30-06 Casing with .100 Flat + #0 Phillips Blades Manufacturers original metal 30-06 Spent (fired) casing for making tool safe Made in USA Brass bullet tip with copper plating Two Precision Heat Treated alloy steel Screwdriver Blade One each: .100 [2.50MM] Flat & #0 Phillips Screwdriver Blades Furnished in Plastic Tube for convenient storage