Power Probe PPPPSET Piercing Probe Set 4mm Std. Banana Jack Fitting 6.5" &amp; 7.5" Probe Tip Female to Female Adapter Self Centering &amp; Adjustable Handles 28 - 8 gauge wire 4mm Standard Banana Jack and Plug Fittings 6.5" &amp; 7.5" Probe Tip Gender Matching Adapter Self Centering &amp; Adjustable Handles 28 - 8 gauge wire