Trade fabricator, Lister Trade Frames, of Stoke-on-Trent, has introduced Roto’s Twin-cam Security Locking (TSL) system across its entire range of Elitis casement windows after comprehensive testing.

Listers managing director, Mark Warren said: ‘Our technical team was so impressed with the results that we immediately chose TSL to be the preferred locking system for our Elitis casement range. This really is the next generation of security locking systems.

‘At a time when much of the industry is content with shootbolts, the move to TSL high security locks demonstrates our determination to lead from the front by offering our customers the very best technology, at no extra cost.

‘We are certain that TSL will give our Elitis customers the edge in both private and public sectors of the market.

‘We shall be providing our customers with marketing materials, detailing the benefits of TSL and helping them to promote its many advantages to the end user.’

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