These Platinum Tools UY Gel-Filled Connectors (22-26 AWG) use an insulation displacement contact design for simple and reliable terminations. No wire stripping is required and connectors will accept wire of different gauges. All connectors are gel filled to provide moisture resistance and inhibit corrosion. For use with solid copper conductors only. Typical uses include butt splicing two or three wires of the same or different gauges.