Browning® variable pitch design offers pitch diameter ranges 3.4 - 8.5 in to 25 HP. Unique manufacturing design ensures precise adjustability, balance and unmatched performance. Browning® variable pitch sheaves help reduce vibration by having a robust casting ribbed design that helps improve balance and heat dissipation. These sheaves offer tight thread tolerances for superior performance. 1 and 2 groove sheaves will accept the widest range of belts of any manufacturer 3L, 4L, A, AX, 5L, B, BX, 5V and 5VX. Browning® FHP Variable Pitch Sheave, Series: 2VP, Finished Bore, 1-7/8 in Bore, 8-1/2 in OD, 6.9 to 7.9 in (A)/7.2 to 8.4 in (B)/8.4 to 7.2 in (5V) Pitch Diameter, 2 Grooves, 1-5/8 to 2-3/8 in Face Width, 3.3 in Overall Length, For Use With: GripBelt® A and B, 5V Cross Section Belts, Cast Iron