Stalwart 75-6109BP Hawk 9-Piece Allen Wrench Hex Set Ball Head Sizes: 1/16, 5/64, 3/32, 1/8, 5/32, 3/16, 1/4, 5/16, 3/8-Inch Ball heads for hard to reach fasteners Durable metal construction Convenient carrying case Dimensions: 0.625 x 20.5 x 70.25-Inch