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 a 31 mm impact socket.It is 1/2 in.Drive.Designed to tackle the toughest jobs with solid durability and keeps them pounding job after job.