#00 x 1-1/2", Ultratech Precision Phillips Screwdriver, 8 Sided, Non-Slip Cushion Grip, Body Sized To Prevent Excessive Torque To Fastener, Driver Tip Size Shown On Cap, Rotating Cap, Facets Fit Palm, Recess Fits Finger Tip, Cap Edges Squared Off To Prevent Rolling On Flat Surfaces, Blade Constructed Of Heat Treated 8650 Alloy Steel, Nickel Chromium Molybdenum, Chrome Plated To Resist Corrosion, Exceeds ANSI Specs.