A John Boos maple Newton Prep Master cutting board (PM2418225-P). Official size is 24" x 18" x 2-1/4". Northern Hard Rock Maple, edge-grain, oil finish. Sloped juice groove on one side with a stainless steel tray; reversible. Official summary also lists an ergonomic handle. Made in the USA with domestic and imported materials. Official care is Mystery Oil, then Board Cream. Specs from John Boos' maple Newton Prep Master page (24x18 size). Store title says Prep Master; official current name is Newton Prep Master.
The 24x18 maple with the pan. Groove side for a roast, flat side for prep.