Fluke AC280 SureGrip Hook Clips One pair (red, black) of nickel plated clips Profile narrows to 5.6 mm at tip, hook opening 6.4mm at front, 2 mm at base Recommended for use with TL222 and TL224 test leads CAT IV 600 V, CAT III 1000 V, 3 A rating. UL listed One year warranty For use with TL222 and TL224 test leads Nickel plated clips One pair (red, black) SureGrip accessories are designed to improve steadiness in slippery hands Rubber overmolded surfaces and finger-hugging curves give the user a comfortable, reliable grip