DBI SALA 8700302 Mechanical Rope Protector For Man Made & Natural Surfaces wet dry vacuums tank purging 5 L x 31 tank purging materials or environments of high temperature PVC shock pack with Kevlar® cover Shrink tube type construction with a Kevlar® cover protects the energy absorber and labelling from heat and the elements for extended longevity Energy absorbing design limits fall arrest forces Unique controlled tearing action immediately begins to extend and absorb energy during a fall or prevent lines from tangling when using multiple ropes Interconnectable units for added protection Multiple units can be connected to extend the protected area according to the environment and or application