Large self-forming socket

A self-forming socket, comprising:

• a housing having an interior wall forming a non-circular cross-section;
• a frame having a plurality of openings, wherein the frame is disposed on the interior wall;
• a plurality of pins closely packed in parallel, the pins including a large top end, a narrow shaft, a circumferential groove between a bottom end of the pin and the shaft, the groove being a smaller diameter than a diameter of the bottom end of the pin;
• a biasing member to extend the top end of the pin away from the frame;
• the pins slidable along the shafts within the openings of the frame, the pin top end being above the frame and the bottom end being below the frame;
• and
• a resilient O-ring having a continuous circumference including a resilient material having about 30-90 Shore A hardness, the O-ring fitted to the bottom end of the pin within the circumferential groove, the O-ring forcibly slidable toward the groove in an axial direction of the pin by temporary deformation of the resilient O-ring upon the bottom end into an enlarged diameter, the O-ring returning to a rest diameter when the O-ring is located within the circumferential groove.