YATO Long Hex Key Set contains 9 detailed metric hex keys which is one of the indispensable tools in factory repair equipment, company or mechanical workshop, home repair, etc. where the main function is to hold and rotate the hex nuts. This type of hex keys will respond to high torque because it has undergone a heat treatment to achieve good hardness when being using. The product is made of stainless steel materials with high hardness, so it is not bent or broken over the head when applying great force. The Details are made from CrV alloy steel which is durable, and do not rust during use. There is also powder coating to increase the durability of the product.

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