A Striking Knife is a very traditional tool used by woodworker's for decades to mark-out cut lines on a board. It was probably developed in England
Rapid Strike Knife - TOPS Knives Tactical OPS USA
Making a $3.25 Striking Knife : 6 Steps (with Pictures) - Instructables
IBC/Andy King Regular Striking Knife - IBC Tools
The Marking Knife 2.0 – Blacktail Studio
Learn Woodworking Tips with Rockler
Like pencils, there never seems to be a striking knife at hand when you need it. The knife has an A2 tool-steel blade with a 55° included angle at the tip. Ground to a keen edge at a 25° bevel angle, it slices wood fibers cleanly. It leaves an incised marking line that serves to guide a saw or chisel when starting a cut, helping to improve accuracy.
Veritas Workshop Striking Knife
Big Horn 19061 Marking Knife - Toolmarts.com
Make a Marking Knife
I wanted an old style striking knife for a long time so I made a
Ramelson - Carpenters Marking, Striking Knives and 6 Engineer Square
Best Woodturning Tools: Striking Knife with 1-½” Blade
Striking Knife
Marking Knife Woodworking Marking Knife Thin Blade Dual Double Bevel Striking Knife Hardened Mn-v Steel Heat Treated Striking Marking Knife (2 Pieces)
I wanted an old style striking knife for a long time so I made a couple. : r/woodworking