We used to do resin fencing that was very similer. 2 fence panels can slot into the one base. This forms a fence as long as required. Suitable for G scale, sm32 ,Gauge 3. They may be darker brown than pictured.
4 x G SCALE GARDEN RAILWAY METAL" PICKET STYLE" FENCING ( 4x430mm PANEL)
Model Railway Textured Fencing in G Scale
Garden Railway miniature scenery - Welsh Slate fencing x 2 SM32 -16mm- G scale
G SCALE GARDEN RAILWAY METAL" PICKET STYLE" FENCING ( 1x430mm PANEL)
Model Railway G Scale, 1:22.5 Concrete panel walling / fencing.