WHOLESALE Industrial qualityBall head design allows turning of hard to reach fasteners from up to a 30 degree angle. SAE Sizes: 1/20, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 3/8 inch METRIC Sizes: 1.3, 1.5, 2, 2.5, 3, 4, 4.5, 5, 5.5, 6, 7, 8, 10mmIllinois Industrial Tools