The product is a pack of 500 zinc-plated M5x 8mm tee nuts, designed with a 4-pronged captive blind insert for wood. Made of steel and zinc plated with a thread size of 5mm, these round tee nuts are 8mm in length The one-way drive style makes them easy to install, and they come from the United Kingdom. Ideal for various fastening and hardware applications, these tee nuts offer a secure and reliable solution for joining wooden pieces together.