This is a set of 6 vintage cast iron wheel casters.

There is a 4 inch caster that says O P Schriver &Co Cincinnati, OH on the bottom. It also says malleable iron plate and housing.

There is a 3 1/2 inch caster that says 3-A-3 1/2. 1053 is also on the bottom.

There are 4 of the 3 inch casters.

One is a Bond 1018.

One is a bad sick and has a grease fitting and a flat spot on the wheel

Another is a bassick.

and another i don’t know.

Please look at the pictures to see the condition.