1.It is made of nylon 6 of high quality with compound plastic.There are 3 parts of nail tube,steel nail and fixing plate.

2.The products are of good performance of anti-ageing and weather-resistant.They are quite stable at the temperature between -40~+70 Celsius. 

3.The products are of anti-seismic capability,anti-efflorescence,crack-resistant,firm and endurable.

4.It can be knocked in with a hammer.It is simple,easy,economic and safe.

one piece expanding insulation nail