XINDA 20kN square edged pulley climbing for rope 8 to 13mm Brand:XINDA Code :XD-8612 Name: Big Pulley Material: 7075 aircraft grade aluminium Size: width5.7cm height8.1cm Color: Red blue green purple Net weight: 100g Strength: Static load 20kN(2000KG) Dynamic load 10kN(1000KG) Multipurpose: Crossing, cargo transportation, towing, pulley block, expansion protection etc.