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12 NSWGR kidney handles, standard on many types of passenger rollingstock. for 5" gauge in 1.125"/foot scale. they are jointed with a 2mm spigot at the back to locate. In full size these were chrome plated. I find it best to paint these plastic parts witha high build primer several times with sanding in between to smooth the build lines. I use rustgaurd red oxcid primer. then a silver paint to repliate the chome plating.