RV Industries also offers a range of Retractable Blocks in Aluminium Casing, having both Stainless Steel Wire Rope Lanyard and 25mm Webbing Lanyard. The Casing is made of high strength Aluminium Alloy. The Anchorage eye comes with a swivel action, hence prevents any undue twist of the retracted lanyard (whether rope or webbing). While working, or in the event of the fall. They conform to EN 360:2002.