The Milwaukee SHOCKWAVE Impact Duty 1/4 inch Drive Deep Impact Socket Rail Set includes 12 high-performance metric sockets designed for strength, durability and precision. Manufactured from premium alloy steel with SHOCK ZONE geometry, these deep sockets deliver excellent torque transfer, resist impact damage and reduce stress on fastener corners. Ideal for professional use with impact tools, each socket features clear laser-etched markings and comes organised on a practical socket rail. Features and Benefits Drive Size 1/4 inch for compact impact applications Material and Finish premium alloy steel with heat treatment for durability Socket Size and Range 4mm to 13mm to cover key metric sizes Socket Type hex with six gripping points for optimal fit and reduced fastener wear Standards designed for high-torque, professional-grade impact use Size System metric for consistent sizing across tools Number of Pieces 12 sockets supplied on a socket rail for convenience SHOCK ZONE geometry flexes under load to absorb peak torque and prevent breakage Recessed corners transfer force through flats to reduce rounding Laser etched markings offer long-lasting visibility and quick identification Deep design ideal for reaching fasteners in tighter or recessed spaces WHAT'S INCLUDED 12x 1/4" sockets - 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm