A juice groove magically transforms an ordinary glued-up panelinto a cutting board. If you're making boards to sell, juice grooves are a quick and effective way to add value. If you're making them for friends and family, juice grooves show you went the extra mile to make their gift special. WoodpeckersNEWJuice Groove Jigadjusts to any square or rectangular cutting board from approximately 10-1/4" x 10-1/4" to 18-3/4" x 18-3/4"* and makes cutting juice grooves a quick and easy job…even if you have dozens of boards…all of different sizes…to do. It's faster, stronger and simpler than any other juice groove jig on the market.