made of robust steel, easy to fit, high quality T-posts in different lengths for long use impact depth approx. 40 cm The posts have solid nubs every 5.5 cm across their entire length to fasten accessories. A solid base plate gives the post a secure hold. The posts are painted for very good weather protection. We recommend approx. 30 cm longer T-posts to be used for corners. Insulators are fastened by clipping firmly to the T-Post at the desired heights. ideal for horse, cattle and wild animal fences