The Woodruff HS 811 STR USA is a durable woodruff key, featuring a size of 1/2 inch, perfect for precision mechanical applications. Constructed from high-quality materials, this key provides excellent resistance to wear and tear, ensuring longevity in various setups. Its dimensions are optimized for compatibility with standard keyways, allowing for seamless integration into machinery. This product meets industry standards, guaranteeing reliability and performance. Whether for professional or DIY projects, the Woodruff HS 811 STR is an essential tool for effective mechanical assembly.