Apex®, M1E08, Socket, Magnetic, Yes Impact Rated, Measurement System: Imperial, Square Drive, 1/4 in Drive, 6-Point/Hex Socket, 1/4 in Socket, 7/8 in Overall Length, 3/16 in Opening Depth, 1/2 in Drive End Width, 3/8 in Socket End Width, 6 Points, High Carbon Alloy Steel