Robertson Mini SR 71 Pulley
- Can be used as a self-belay or with a belayer.
- Requires the operator to maintain control of the tail at all times.
- Pulley made of hardened steel sheaves and sealed ball bearings
- Single pin can accept up to a ⅝" (15.9mm) rope.
- Two pin can accept up to a ½" (12.7mm) rope.
NFPA 1983-2012 Section 220.127.116.11 Pulley Performance Requirements - General Use
Minimum 3 sigma breaking strength (3σ MBS) of not less than 36 kN (8,093 lbs)
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