Features: Precision screwdriver with 5/64" width blade with a .014" thickness Rotating cap; facet fit palm, recess fits finger tip Color coded ring Body sized to prevent excessive torque to fastener 8-sided non slip cushion grip Blade constructed of heat treated 8650 alloy steel (nickel-chromium-molybdenum) Chrome plated to resist corrosion Mfg: Brownells Blade width 5/64". Blade thickness 0.014". Blade length 1-1/2". OAL 4-7/8". Handle OD 1/2". Rotating cap OD 3/4".