ITEM NAME:Post Assembly M3 T Nut for 2020 Profile Pack of 100 E8T1 Post Assembly M3 T Nut for 2020 Profile Pack of 100 E8T1 Post-Assembly T Nut M3 Thread Drop in T nut, easier to install Material: Metal Suitable for 20mm series T slot european aluminum extrusion Neck Width: 6mm; Thread Diameter: 3mm (M3) Color:Silver Thread Size: M3 for aluminum extrusions 2020 Package list: 100 x M3 Assembly T Nuts Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.