Harken 32 mm ESP End Control Double Sheave, Pair | For Sailing | By West Marine

Harken 27 mm Midrange 4:1 Double Sheave End Controls With Cam And Dead End (Pair) | For Sailing | By West Marine

Harken 27mm Midrange End Control With Double Sheave/Deadend (Pair), 4:1 Purchase, 1800 Lb. MWL, 19.8Oz. | For Sailing | By West Marine

2BK40H Cast Iron Bushed Sheave Pulley For Dual Belt V-Belt Size 5L, B OD: 4" Double Grooves Pulley 2BK40H

2AK46H 3/4" Bore Solid Sheave Pulley - 4.6" OD Double Groove Pulley 2AK46H For V-Belts 4L, A, AX, 2AK46H 3/4" (OD 4.6"- H :ID 3/4")

2AK46 H Bushing Solid Sheave Pulley - 4.6" OD Double Groove Pulley 2AK46H For V-Belts 4L, A, AX, 2AK46H (OD 4.6" )

2BK74H Cast Iron Bushed Sheave Pulley For Dual Belt V-Belt Size 5L, B OD: 7.5" Double Grooves Pulley 2BK74H

Schaefer 5 Series Double Sheave Over The Top Block 506-41

Double Fixed Head Block - 57 mm Sheave Diameter Pulley - Nautos USA

2AK49H 7/8" Bore Solid Sheave Pulley - 4.9" OD Double Groove Pulley 2AK49H For V-Belts 4L, A, AX, 2AK49H 7/8" (OD 4.9"- H :ID 7/8" )