Product Description Value-priced, high quality tools - leading the market by ensuring that products are rugged, reliable and reasonably priced. From the Manufacturer The Fluke AC280 SureGrip Hook Clips are red and black and have a pair of nickel plated jaws that narrow to 5.6 mm at the tip. They have a hook opening 6.4 mm at front and 2 mm at base. Recommended for use with TL222 and TL224 test leads, they are CAT IV 600 V, CAT III 1000 V, 3 A rated and UL listed. The SureGrip over-molded surfaces and finger-hugging curves give the user a comfortable, reliable grip and improves steadiness in slippery hands. The Fluke AC280 SureGrip Hook Clips are sold as one set per package. Fluke Corporation is the world leader in the manufacture, distribution and service of electronic test tools and software. Since its founding in 1948, Fluke has helped define and grow a unique technology market, providing testing and troubleshooting capabilities that have grown to mission critical status in manufacturing and service industries. From industrial electronic installation, maintenance and service, to precision measurement and quality control, Fluke tools help keep business and industry around the globe up and running.