Price is for 4 pcsGrey Curved ROAD STRIP( 1/4 Circle each piece )HO scale 1:87 or OO scale 1:76 etc...self adhesive and self stickingjust peel off the back and press down for permanent installation on your layoutyou may use them to make different curve road Characteristicflexible and can be easily trimmed to desired size.Approx. Size: Dia of inside circle: 100mm, Dia of outside circle: 180mmReference Scale: for HO scale or OO scale etc...PRODUCT DESCRIPTION Perfect for Road making in your layout....