3M DBI SALA Sealed-Blok 25m Stainless Steel Cable Self Retracting Lifeline 3400867When working at height or in confined spaces in some of the world's toughest environments, you need reliable and durable self retracting lifelines as part of your complete fall protection solution. The 3M DBI SALA Sealed Blok Self Retracting Lifeline is heavy duty. With corrosion resistant materials, stainless steel end plates and aluminium housing, these durable SRLs can really stand up to the harshest conditions. You can count on the Sealed Blok's