Click to expand Tap to zoom Desco 19641 Leads for Surface Resistance Checker by Desco Industries Sale $12.67 | / SKU D-19641 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart The 19641 Leads are for the 19640 Surface Resistance CheckerSolder per pairMade in the United States of America