Brake shoe insert compliant with ZN-07 PKP Cargo 8, ZN-94/PKP-3517-04, made of cast iron P10 according to ZN-07 PKP Cargo 4, PN-K-88151, UIC-832.

The insert is used in:

• steam locomotives: Ty2 (R 52 – DE), Ty42 (PL)
• electric locomotives: EP05 (PL), EU06 (PL), EU07 (PL), ET22 (PL), ET40 (77E – Czech manufacturer)
• diesel locomotives: SU46 (PL), SM31 (PL), SP45 (PL), SP47 (PL)