JRB Pulley, Black
JRB Pulley, Black |
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| SKU: 159702 |
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| Price per Unit (piece): $31.30 | ||||
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The SMC JR (Jigger Rescue) and JRB (JR with becket) double prusik minding pulleys have been designed to be compact, lightweight and cost effective. A key component of every rescue technician’s tool box, the JR and JRB pulleys provide tremendous versatility in the minimalist of ways. Couple the JR with a JRB pulley and you have a lightweight mechanical advantage system that can pull duty in rescue roles from litter tilting to piggy back systems. Typical Applications: Specifications: Length: JR – 2.84" (72 mm) JRB – 3.57" (90 mm) Width: 1.75" (44 mm) Thickness: 1.56" (40 mm) Tread: 0.83" (21 mm) Sheave: 1.2" (30 mm) Rope: up to 9 mm Weight: JR - 3 oz (84 g) JRB – 3.1 oz (86 g) Material: Anodized aluminum sideplates, nylon sheave Pulley rated strength 3 sigma - 24 kN Becket rated strength 3 sigma - 13 kN Typical 4:1 system strength 24kN 7 mm rope with 5 mm prusik 9 mm rope with 6 mm prusik System strengths are published to assist with gear selection. Actual system strengths may vary depending on selected gear, gear condition, and environment. Users are responsible for ensuring their system safety and performance and exercise caution when determining both prusik cord size and length as Knots, Connectors and other gear may interfere with prusik operation. |
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