ITEM NAME:Drop In Post Assembly M4 T-nut for 20 x 20 Aluminum Extrusion Pack of 30 K4B8 Drop In Post Assembly M4 T-nut for 20 x 20 Aluminum Extrusion Pack of 30 K4B8 Post-Assembly T Nut Drop in T nut easier to install Material: Nickel Plated Carbon Steel Suitable for 20x20mm T Slot European aluminum extrusions Neck Width: 6mm Thread Diameter: 4mm (M4) Color:Silver Size Name:M4 Size: M4 Package list: 30 x Post-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..Drop in T nut easier to install. Material: Nickel Plated Carbon Steel.
