DescriptionThis is a set of 50 pieces T-nuts. T-nut is also known as hammer shaped nut, assembly time by profile external directly into the groove, the clockwise rotation of 90 degrees can be automatically lockingand positioning, convenient installation. It's one of the most commonly used parts of aluminum profile system.Features- Color: Silver. - Material: Nickel plated carbon steel. - Size: 1 x 0.4 x 0.6 cm. - Suitable for 20x20mm T Slot European aluminum extrusions. - Made of nickel plated carbon steel for durable usage. - Can be dropped into the slot post-assembly. - Comes in a pack of 200 nuts. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!