The LowPro 23/05 Inner is apart of a modular system of singular linking units, this road plate trench cover is suitable for 44 tonnes vehicles over a 1200mm trench. No expensive machinery necessary and the LowPro 23/05 can be installed manually. The LowPro 23/05 Road Plate Inner also is anti-slide and complies with HAUC 2018/01 Advice Note.