What is the MLB Ink Dot test for wood bats?

The Ink Dot is the stamp of the highest quality wood bat. Bats that feature the Ink Dot signify that they are in the top 3 percent of wood from the harvest and they satisfy the strict slope of grain requirements by Major League Baseball. Indicating that your bat is big league quality and approved. All Louisville Slugger Prime Maple and Birch bats carry this seal of approval. Due to its clearly defined grain structure, Ash bats are not subject to the Ink Dot test to be eligible for use by MLB.

Search available MLB Ink Dot Approved Bats.