Variable Pitch 1VP62 Pulley 7/8" 3020 What separates this 1TB40 pulley

What separates this 1TB40 pulley from the others is that it is made using a high grade-35 cast iron

and is supplied as a plain stock bore C-Hub (hub on two sides) style sprocket

Hub Diameter: 42mm

Plate Height (H): 1

Variable Pitch 1VP62 Pulley 7/8" 3020 What separates this 1TB40 pulleyVariable Pitch 1VP62 Pulley 7 8" is designed and engineered in a way that allows for precise adjustments in diameter, which will also correlate to speed adjustment. Our single groove variable pitch pulleys are manufactured with extremely tight thread tolerances and use a high quality cast iron material. They are extremely well balanced to reduce vibrations and are phosphated and painted for corrosion resistance. Besides 1VP62 pulleys with a 7 8" bore