4-in-1 Design: This unique 3-piece thin wrench set combines 12 metric sizes into 3 dual open-end wrenches: 6×8–7×9 mm, 10×12–11×13 mm, and 14×16–15×17 mm. Each wrench integrates 4 sizes, reducing the number of tools needed on the job—making your toolkit lighter 3mm Super-Thin Profile: With a 3mm slim design, these wrenches easily reach fasteners in tight-clearance spaces where standard wrenches can't fit. They are especially effective in narrow and confined areas Extra Thin Profile: Crafted from premium alloy steel and finished with a black electrophoretic coating, it provides excellent rust resistance. The 6-point design reducing the risk of rounding or slippage, and clearly stamped sizes on both sides ensure fast identification Efficient and Flat Pouch: The slim wrench set comes with a compact roll-up pouch for easy organization. Each pocket has 4 sizes printed for clear and space-saving storage. The compact size makes it ideal for emergency repairs on the go Versatile Kit for Any Job: Designed for demanding tasks such as automotive repair, bicycle and motorcycle maintenance, and industrial assembly. It's also well-suited for household projects, machinery servicing, and electrical work, covering a wide range of applications with one reliable pack This 3-piece thin wrench set combines 12 metric sizes into three dual open-end wrenches, reducing tool bulk while maximizing versatility.