4KN Aluminium Heavy Duty Single Swivel Rope Pulley Block for 8-12mm Rope Climbing Pulley
Special Features
- 1. The inside is provided with a spring for easy one-hand to operate.
- 2. This pulley is constructed with premium aluminium, anti-rust, high strength and sturdy.
- 3. Suitable for 8-12mm rope.
- 4. Fine polish ensures sleek surface, providing smooth and quick rotation to greatly reduce friction.
- 5. Widely used in mountaineering, hoisting, caving, aerial work, heavy objects, etc.
Description
Specification:
Material: 7075 aviation aluminum
Pull force: 4KN (about 400KG)
Applicable rope diameter: 8-12mm
Pulley type: ball bearing structure
Scope of application: mountaineering, hoisting, caving, aerial work, heavy objects, etc.
The static tension of the pulley: 25KN
Rolling force: 12.5KN
Lifting force: 4KN
Package List:
1 * Pulley
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