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The unique shape of SMC's aluminum side plates allow the efficient use of prusik hitches as a belay or progress capture device. Constructed with a 3-inch diameter sheave running on a high-efficiency ball bearing. Low profile fasteners help eliminate the possibility of the pulley snagging. Pulley will accommodate up to 13 mm rope.
In the study we tested ropes made of different materials (Nylon, Polyester, Dyneema®). The ropes were disinfected one time by being submerged in a solution of 70% Isopropanol and 30% distilled water for 3 minutes and then left to air dry naturally for 48 hours before being tested for their residual strength.
A user had an Enforcer connected to a steel cable, or wire rope. As the cable was loaded it unwound, twisting the Enforcer’s swivel eye and the friction generated unscrewed the bolt holding the swivel and it came apart.