Features and Benefits:

• Following sizes include: 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm and 19 mm
• Forged from the finest chrome-molybdenum alloy steel, the best choice for strength
• Radius corner design extends the life of fasteners; design drives the side of the fastener instead of the corner
• Design also avoids rounding of rusted or damaged fasteners
• Black oxide finish and has etchings for identification

This is an impact socket set with 13-piece. Sockets are 3/8 in. and metric. Designed to tackle the toughest jobs with solid durability and keeps them pounding job after job.