Product description: kwb Socket Wrench Insert 3/8" x 15 mm SB 372215 This socket wrench insert made of CV steel is an essential tool for any DIY enthusiast or professional. With a size of 3/8" and a wrench width of 15 mm, it is perfect for loosening or tightening screws and nuts. The insert is made of high-quality CV steel and is matte chrome plated, providing high durability and corrosion resistance. The wave profile ensures better power transmission, while the rounded corners protect the edges of the screw heads. The package includes: 1x kwb Socket Wrench Insert 3/8" x 15 mm SB 372215 With this high-quality socket wrench insert, you have the right tool at hand to successfully complete your projects. Order it today!.