BENEFITS OF ENTRANCE REDUCER FOR BEEKEEPING Keep Your Beehive Safe from Intruders You put the time and care into raising a healthy hive. Don't let harmful intruders, like mice, interfere. Just place this entrance reducer in between the bottom board of your hive and the first box to keep pests out. Made by an Amish family who raises their own bees Unfinished wood About 14-1/2L x 3/4W x 3/4H USA made in Ohio