3-4 In. Drive 6-point Deep Impact Socket 55mm

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 55 mm.It is 3/4 in.Drive and 6 point, deep.Designed to tackle the toughest jobs with solid durability and keeps them pounding job after job.