The Tavy Two Sided T-Spacers are 3/16" (5mm) in size and come in a pack of 100 spacers. These versatile spacers are designed to be used on both sides of a T-shaped joint, providing a secure and sturdy connection for various home improvement projects. Made by the trusted brand Tavy, these spacers offer a reliable solution for achieving precise and stable results in your home or garden DIY endeavors.