DescriptionThis is a set of 100 pieces of T-nuts. T-nut, also known as hammer shaped nut, assembly time by profile external directly into the groove, the clockwise rotation of 90 degrees can be automatically locking and positioning, convenient installation, is one of the most commonly used parts of aluminum profile system.Features- Color: Silver. - Material: Carbon steel. - Size: 1.50X0.90X0.90cm;/0.59X0.35X0.35in; - Made of carbon steel, it has high hardness and good abrasion resistance. - Simple to use and easy to connect between aluminum profiles and other parts. Easy to install. - Comes in a pack of 100 nuts, great for both indoor and outdoor use. - Spring ball loaded makes these T slot nuts sit and stay where you want them, and don't slide around while you are trying to screw into them. - It is manufactured with professional technology to ensure the of the product and can work for a long time.