This is the lift off cassette you need for your 3701L IBM WheelWriter 50 II typewriter.

This is the ribbon you need for your 3401 IBM WheelWriter 50 II typewriter.

This is the lift off correcting cassette you need for your IBM WheelWriter 50 Series II typewriter.

This is the ribbon you need for your IBM WheelWriter 50 Series II typewriter.

This is the ribbon you need for your IBM WheelWriter 50 II typewriter.

This is the ribbon you need for your IBM WheelWriter 50 II typewriter.