Description Double rod scriber 13 inch. The sheet metal butt gauge scribe with 12 inch of ETCHED measurements on stainless steel rods. The Double Butt Gauge is a very useful tool for scribing two different lines of measurements on any given surface, without having to stop and readjust for the second measurement. The hardened head is securely locked by two knurled clamp screws. All Parts are replaceable. Saves you time and improves accuracy
