CLIMBING Hardware Kit for 5:1 Mechanical Advantage Pulley / Hauling / Dragging System Block and Tackle We love mechanical advantages and get benefits from them since long long long ago. They provide extreme simplicity to our life and make it much better.Mechanical advantage of block and tackle system is about saving labor when dragging or hauling. Specification of Large Rescue Pulley Double Sheave Color: Orange Breaking Strength: 32kN/7100lbs Material: Sheave - Aluminum 58mm / 2.28 inches Net weight: 430g/15Oz Max. diameter of rope: 5/8 inches or 16mm Ball Bearing Specification of Oval Locking Carabiner Material: aircraft-grade aluminium alloy (anodized) Breaking Strength: 25kN - minor axis: 9 kN - open gate: 9 kN Gate opening (d): 21 mm Net weight: 80g / 2.82Oz Length: 110mm - Width:60mm Oval, the classic shape for carabiner Symmetrical shape gives the oval carabiner the characteristics of well equalizing loads. When balance of loading is required during operation, oval aluminum locking carabiner is always the right option for you. -Keylock nose prevents from rope snagging. -Large gate opening of 21mm make carabiner easy to clip and unclip. -Large inner space for capacity of holding more other connectors. SpecificaionLength: 30" Diameter:8mm / 5/16 inch Meterial: Polyester Strength: 20kN/4500lb
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