A traditional double sided carpenters sliding mortise gauge made from solid Rosewood. With inset brass wear plates and a knurled brass thumb screw lock.
On one side, there's a single marking pin, on the other side there's an adjustable, double pin arrangement. The double pin side enables you to set up once and quickly mark multiple mortise positions from one face of the project piece.
Total size - ~7-3/4" long.
Made in the UK.