13x curved polygon wrenches with dimensions 6x7, 8x9, 10x11, 12x13, 14x15, 16x17, 18x19, 20x22, 21x23, 24x26, 25x28, 27x32, 36x41. The wrench is forged from high-quality chrome-vanadium steel. It is distinguished by its exceptional hardness, durability, and surface protection, which offers the user reliable and long-lasting use.

It is a complete solution for screwing bolts and nuts and is an essential tool for professionals and DIY enthusiasts.

With the special safety cut, the wrenches prevent damage to the corners and edges of screws and nuts by evenly distributing the force over the surface.

The state-of-the-art design allows Unior wrenches to guarantee the transfer of power with precision and efficiency for screwing heads and nuts.