General description VEVOR 1/4" Drive Impact Socket Set is a comprehensive 48-piece collection designed for auto repair. This set includes both deep and shallow sockets in SAE (3/16"-9/16") and metric (4-15mm) sizes, crafted from CR-Mo alloy steel for enhanced durability and performance. Technical specifications Material: CR-Mo Industrial-Grade Alloy Steel Socket Sizes: SAE - 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 1/2", 9/16"; Metric - 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm Number of Pieces: 48 Usage Ideal for auto repair and mechanical tasks requiring high torque and impact resistance. Designed to minimize wear on fasteners and prevent bolt rounding and stripping. Other information