This case knife is easy to grip with its pvc coated handle; the 1 inch blade's beveled edge opens even the most difficult of watch case backs in a snap! 4.5 inches long.* Beveled edge provides easy opening action to standard watch cases * Designed to fit easily into the watch case's face slit to pop it our with easy without damaging * 1 inch blade is small for precise and accurate work - easy to use and easy to handle * 4.5 inches in length overall with a PVC covered comfort grip handle for hours of comfortable use * Great for watch making, watch repair, and more! - Good for the beginner or seasoned professional