2/4/8pcs 43/58/86mm Single/Double Wheels Metal Sheave Zinc Alloy Pulley Crown Block and Tackle Lifting Wheel Mini Double Pulley

Single and Double Wheels PulleysMaterial: zinc alloy43mm Single Pulley size:total height: 43mm,wheel groove width: 5mm,pulley diameter: 13mm,da support weight: about 100kg43mm Double Pulley size:total height: 43mm,wheel groove width: 5mm,pulley diameter: 13mm,da support weight: about 100kg58mm Single Pulley size:total height: 58mm,wheel groove width: 8mm,pulley diameter: 25mm,da support weight: 180kg58mm Double Pulley size:total height: 58mm,wheel groove width: 8mm,pulley diameter: 25mm,da support weight: 180kg86mm Single Pulley size:total height: 86mm,wheel groove width: 10mm,pulley diameter: 40mm,da support weight: about 250kg86mm Double Pulley size:total height: 86mm,wheel groove width: 10mm,pulley diameter: 40mm,da support weight: 250kg