Aluminium Perma Tags with copper wire for identification and tagging of survey marks, pegs and samples with many other useful applications. They are easily marked with ink pens or scribers for easy identification. They can be stamped, nailed or tied to form a durable marker. These versatile tags have many uses in the field and around your workplace. 25 x 75mm with a 3.3mm hole diameter. Pack of 1000.