The Extech TL810 Electrical Test Lead Kit is double insulated with a CAT III-1000V rating for your protection. The eight piece electrical test lead includes two 40 inch PVC lead extensions with shrouded banana plugs on each end. It includes two very sharp, extra long 0.3 inch stainless steel tipped plug on test probes and two stainless steel flat tip test probes. Also, this kit includes two plunger activated retractable jaw clips with a wide 0.75 inch jaw opening.