Info:Martin 2BK45 1 1/8 Bored-to-Size Type B Web FHP Sheave, 1-1/8 in Finished Bore, 4-1/4 in OD, 2 Grooves, 3.5 in (A/4L)/3.9 in (B/5L) Dia Pitch, 1-3/4 in W Face
Info:Martin 2BK45-H 2BK-H Solid Type A FHP Sheave, 1.378 in Bushed Bore, 4-1/4 in OD, 2 Grooves, 3-1/2 in (A/4L)/3.9 in (3L) Dia Pitch, 1-3/4 in W Face
Info:Browning® 1043009 BK Series Type 2 FHP Sheave, 3/8 to 1-1/2 in Split Taper Bore, 4.45 in OD, 2 Grooves, 3.9 in (A)/4.4 in (B) Dia Pitch, 1-3/4 in W Face