SureGrip™ Industrial Test Probes One pair (red, black) of industrial test probes. Sharp, 12mm stainless steel tip provides reliable contact. Flexible finger barrier improves grip. Recommended for use with TL222 and TL224 test leads. CAT IV 600 V; CAT III 1000 V, 10 A rating, UL listed. Sure Grip™; 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. Comes with one year warranty. TP220 No -