The Tolsen 15165 is a comprehensive set of 12 double open end spanners designed for a wide range of tightening and loosening tasks. Each tool is crafted from chrome vanadium steel and finished with a satin chrome plating, which helps protect the metal from corrosion while providing a comfortable grip during use. Following the DIN3110 standard, these wrenches ensure a reliable fit on nuts and bolts across various sizes, ranging from a small 6x7mm up to a large 30x32mm. This collection includes essential sizes such as 8x9mm, 10x11mm, 12x13mm, 14x15mm, 16x17mm, 18x19mm, 20x22mm, 21x23mm, 24x27mm, and 25x28mm, making it a versatile choice for both home maintenance and professional mechanical work. The tools come organized in a practical pouch, allowing you to keep the set together and transport it easily between different jobs.