Overview Similar Products –> Product Description 1VP450X7/8 Pulley 3.75″ x 7/8″ Vari-Speed 1 Groove Pulley / Sheave Variable Pitch – Fixed Bore Pulley Single Groove; Cast Iron Use with A (4L) & B (5L) and 3L V-Belts Screw flange adjusts for speed range variation The pulley in the photo is a general representation, may not be exact. Product Videos Custom Field Product Reviews