features and benefits:
- 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 and it is 10 mm.It is 3/8 in.Drive and 6 point, deep.Designed to tackle the toughest jobs with solid durability and keeps them pounding job after job.