Daido Hunt Measure Nail 1 5x 40 mm 9 mm 100 Pieces Concrete Point Marking Base (Surveying Nail) No. (Diameter) (Underneck Length) (Head Diameter)

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A tack used for measuring points. Main use: For concrete roads Surface treatment: Chromate plating Nail head: No red mark Point base applicable product number: NO.2 For concrete and asphalt roads, please use a drill to make pilot holes. (4mm or more)