Catalog number: TMN-7 Features: ●Surveying tacks suitable for all types of sites, from concrete to gravel roads. ●Special metal fittings for fixing surveying sign point bases. Applications: ●Concrete, asphalt, gravel roads, etc. Specifications: ●Red mark: Yes ●Surface treatment: Nickel-plated ●Size (mm) (d x D x L): 9 x 20 x 200 ●Application: For gravel roads ●Material: SWCH17R ●Pre-drill size: 3.0 mm and up Material/Finish: ●Steel Caution: ●For concrete and asphalt roads, please drill pilot holes with a concrete drill or similar.
