Klein Tools' comprehensive line of innovative connectors provide excellent holding power and signal strength you require. These f connectors are faster to install, more flexible and convenient to use saving time and money. Klein's connectors are professional-grade and include the quality you expect. Fits any diameter variation within a cable series. Sleeve has patented viewing windows that help in proper seating. Has solid brass construction and dark nickel-plated finish. Elegant dark nickel-plated finish for indoor use. Also available in a pack of 50 (Cat. No. VDV812-612). For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857.