One pair of small, insulated, nickel plated jaws (red, black). Blunt tip grabs round screw heads up to 9.5mm. Recommended for use with TL222 and TL224 test leads. CAT IV 600V, CAT III 100 V, 10 A rating. UL listed. 1-year warranty. 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.