Can anyone identify these 4? (Extra 1x3 brick for scale) I found these in with my old LEGO while sorting for my daughters, hardly been used in around 30 years, some came from my great granddad. What are these red things without studs for?
These are Part bb300 Garage Door Counterweight - Old without Hinge Pin

from Part # 822ac02 - Garage Door Solid Assembly - Old (Hinge Pins on Counterweights - Both Sides)

which belongs to

Set #435-2: Garage Plate and Door (The Building Toy)