Kit. The signal cove of the stone art series consists of weather resistant sediment composite. This material creates an unmatched realistic stone surface and can be weathered easily and realistically by using commercial colours. The signal cove is best suitable for rising areas near the tracks. Dimensions: L 6,8 x W 3,7 x H 3,3 cm. Signal platform: L 5,9 x W 3,3 cm.