This product is a din rail terminal block, which is made of brass and nylon material, with good texture, safe and practical. Easy to install and use, it can be easily applied to your din rail, a very practical accessory that will meet your needs well. Features -Color:Light Grey -Material:Nylon, brass -Size:4.50X2.50X0.70cm/1.77X0.98X0.28in - Din rail electrical connector is great for removable connections as soldering does not need to occur. - Compatible with any combination of stranded, solid and flexible copper wires. - Suitable for light fixture lighting, motor, electrical control, power supply, household appliance, and etc. - A good substitute din rail terminal block for your broken or worn out one. - Simple in structure, easy to use, not easy to deform, you can use it with confidence. Package list: 20 x terminal blocks 2 x terminal poles 2 x digital identifications 20 screws