Description This is a set of 10 pieces 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: Black. - Material: Carbon steel. - Size: 2.00X1.50X1.00cm/0.79X0.59X0.39 inch. - Comes in a pack of 10 nuts, great for both indoor and outdoor use. - Widely used for building industrial aluminum frame structures. - T slot nuts are solid steel with a black oxide coating. The black oxide is not only extremely corrosion resistant but abrasion resistant as well giving it extra durability. - Our t slot nuts are designed to be a perfect fit for your standard truck bed rails. Keep that bed looking organized and sweet looking! - It is manufactured with professional technology to ensure the of the product and can work for a long time. Package list: 10 x nuts