Kaufhoff AGM-5175 Marking Gauge 6 Inch. One side of this gauge allows layout of dovetails and mortise/tenon in just one pass, because it has one moveable pin. The other side has just one pin for a single reliable scribe mark. Solid & Polished wood.
6 Inch Marking Gauge Features:
Made from polished wood
Consists of single hardened marking spur and plastic turn screw
used for laying out joints such as mortises and dovetails.
The marking point scores the wood to see where to make your cut.