Sunex Tools Metric 1/4-in Drive 10mm 6-Point Impact Socket

The design drives the side of the fastener instead of the corner; provides increased strength, but also avoids rounding of rusted or damaged fasteners; fully guaranteed no doubt, this 1/4"; drive 10mm 6 point deep socket is designed to tackle the toughest jobs with solid durability and keeps them pounding job after job. Also it features a radius corner design, causing the socket to grab the sturdy wall of the fastener instead of grabbing the corners, resulting in less wear on the fastener.