3 in (A)/2.7 in OD, 2 Grooves, 2.2BK27 X 1/2 Dodge; 2MB28X1/2 Light Duty Type 8B Fixed Bore Sheave, 1/2 in Dia Bore, 2.7 in (B) Dia Pitch, 1-11/16 in W Face.
25 in (4L) Dia Pitch, 3/4 in W Face.AK74 X 1-3/16 Dodge; MA73X1-3/16 Light Duty Type 1A Single Groove Fixed Bore Sheave, MA Bore, 1-3/16 in Dia Bore, 7-1/4 in OD, 6.