OT178
OT Series Cap Style Stationary Single Pulley Truck for 1-7/8 Inch (in) External Halyard Pole Diameter

OTH
OT Series Cap Style Stationary Single Pulley Truck for 2 Inch (in) External Halyard Pole Diameter

OT1
OT Series Cap Style Stationary Single Pulley Truck for 2-3/8 Inch (in) External Halyard Pole Diameter

OT25
OT Series Cap Style Stationary Single Pulley Truck for 2-1/2 Inch (in) External Halyard Pole Diameter

OT2
OT Series Cap Style Stationary Single Pulley Truck for 2-3/4 Inch (in) External Halyard Pole Diameter

OT3
OT Series Cap Style Stationary Single Pulley Truck for 3 Inch (in) External Halyard Pole Diameter

OT325
OT Series Cap Style Stationary Single Pulley Truck for 3-1/4 Inch (in) External Halyard Pole Diameter

OT35
OT Series Cap Style Stationary Single Pulley Truck for 3-1/2 Inch (in) External Halyard Pole Diameter