Catalog number: TMN-1 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: None ●Surface treatment: Chromate ●Size (mm) (d x D x L): 5 x 9 x 40 ●Material: SWCH45K ●Application: Concrete ●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.
