Benchcraft Marine on Instagram: "Welcome to the shredded rubber factory. This little router jig has pleased the algorithm and many people have shown interest. It’s as simple as aligning the cutter slot with your caulk line, plunging the router while keeping downward pressure. The back side is lined with 80g sandpaper which holds it firmly in place while cutting. This has been the most effective way to cleanly remove caulk on a sprung deck. Let me know what you think! #marinecarpentry #boatcarpen

Slot cutting router bits - safe use

Choosing the Right Router Bits Types: A Beginner's Guide - Rockler