Value Collection 1VP30-5/8 Variable Pitched Sheaves; Minimum Pitch Diameter of Belt Type 3L: 1.8mm; 1.8in (Decimal Inch); Minimum Open Turns For 3l Belts: 0.0mm; 0.0in ; Maximum Pitch Diameter of Belt Type 3L: 2.7mm; 2.7in (Decimal Inch); Maximum Ope