"This locking system is fitted to adjustable telescopic steel props. its purpose is to contribute to the security and management of safe working practices in temporary works/support situations during the execution of construction works and in particular it provides a very reliable and economic method of temporary support at any exact height between its closed and extended positions. This amazing product provides infinitely variable adjustments. Again this system provides safety support in an area of work where sometimes it has been hard to find. Your design should be used in this important area of construction work to provide a better level of safety. It is simple, extremely effective and the team should be really commended for the innovative design."