The Fieldpiece ASLS2 Detachable Silicone Test Leads lead set features high copper strands and are silicone insulated. The Fieldpiece ASLS-2 offers basket style strain relief and fit inside the test lead holders on all of out meters that have built-in holders. The Fieldpiece ASLS/2 is rugged and stands up to high and low temperatures better than traditional vinyl test leads and don’t become brittle in extreme cold.