Heat treated carbon steel construction with black oxide finish.
10 each of the following sizes - 3 x 5 x 12mm, 4 x 5 x 12mm, 3 x 6.5 x 15mm, 4 x 6.5 x 15mm, 4 x 7.5 x 18mm, 5 x 7.5 x 18mm, 5 x 9 x 21mm & 6 x 9 x 21mm
