Under the reference PECO SL 501, here is a lot of 20 sleepers in O 1/43rd scale, code 100.
The PECO manufacturer:
Created in 1946, this manufacturer of model railway tracks offers a wide range of equipment from Z 1/220th scale to 2 (or G) 1/22.5th scale. This company offers all the equipment needed to create a miniature rail network, as well as a wide range of products for creating dioramas.