• Barrel jointer set includes four popular sizes of changeable steel barrels • Sizes: 1/2, 5/8, 3/4, and 7/8 • Threaded, easy to change, and long lasting • Made of hardened steel for long life • 8-1/2 Long x 2-1/2 wide • 5/8 3/4 and 7/8 • Threaded easy to change