This Detroit style knuckle bottle opener is our spin on the popular design with a bottle opener built in! It is CNC cut from .1875" thick mild steel and measures 3.25" tall. 100% Made in the USA! This bottle opener comes in raw mild steel and ready for you to clear coat, paint, wax, or use as is! To prevent rusting, keep away from moisture and humidity if used as is. Wipe clean after use.