1. An imProved wire wrap tool for establishing the disorderly arranged wiring of pin contact fields having high wiring density of the type wherein there is automatically performed the combined stripping and wrapping of the wires on the pins of the contact field, wherein the improvement comprises: a first guard rail fixed to said wire wrapping tool; a first ring cylindrically mounted around said wire wrap tool and fixed to said first rail; a second guard rail mounted on said wire wrap tool and movable in a direction corresponding to the axis of said wire wrap tool; a second ring mounted cylindrically around said wire wrap tool and fixed to said second guard rail; a plurality of fingers pivotably mounted on said first ring and engaging said second ring such that axial movement of said second ring produces lever action of said fingers for spreading the wiring adjacent the pin being wrapped.