1-2 In. Drive 12-point Standard Impact Socket 1-1-4 In.

features and benefits:

• forged from the finest chrome molybdenum alloy steel - the best choice for strength and durability
• radius corner design - to extend the life of fasteners
• design drives the side of the fastener not the corners
• provides increased strength, but also avoids rounding of rusted or damaged fasteners

this is an impact socket.It is 1/2 in.Drive.It is 1-1/4 in.And 12-points.