Milwaukee SHOCKWAVE Impact Duty Deep Well Socket Set, Specifications: SAE Measuring Type, 1/2 in Drive, 1/2 to 9/16 in Socket, 6-Point, Steel, Black, Dimensions: 1-7/8 in L, Includes: (1) 1/2 in Thinwall Deep Impact Socket, (1) 9/16 in Thinwall Deep Impact Socket, (1) 1/2 in Bit Holder