Klein Tools 6513MQS KNECT Impact-Rated Quad Socket Set, 4-In-1 Flip Socket Driver, Color-Coded, Heavy Duty Multi Tool, 3/8-Inch Drive, Metric 15mm, 16mm, 18mm, 19mm, KNECT Multi-Purpose Adapter

The Quad-4 impact flip socket combines four metric hex sizes in one color-coded socket. Access 15 mm and 18 mm hex sizes, then flip to use 16 mm and 19 mm. The spring-loaded action allows for hands-free size changes by applying pressure to the smaller socket to compress it out of the way. 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.

• 4 SIZES IN 1 SOCKET: Impact flip socket contains four metric hex sizes (15mm, 16mm, 18mm, 19mm) combined into one color-coded socket
• SPRING-LOADED ACTION: Hands-free access to either hex size by simply applying pressure to compress the smaller socket out of the way with no tools required
• IMPACT-RATED: Cold forged steel socket engineered for long-lasting durability and high torque applications with impact drivers
• COLOR-CODED: Bold painted rings and size markings for quick hex size identification and faster socket selection
• DEEP WELL HEAVY-DUTY DESIGN: Superior reach and secure grip for extended threads, recessed bolts, and confined spaces