SureGrip accessories are designed to improve steadiness in slippery hands. Rubber overmolded surfaces and finger-hugging curves give the user a comfortable, reliable grip on the accessory so they can focus on making an accurate measurement. One pair (red, black) of silicone insulated leads with straingth connectors on both ends. Reinforced strain relief, extends test leads by 1.5m. Includes one pair (red, black) of femail couplers. 600 V CAT IV, 1000 V CAT III, 10 A rating, UL Listed