[40 holes diameter φ22.5mm & 0.89in]
[21holes diameter φ32.5mm & 1.28in]
Specification:
Material: Aluminum
Package list:
1 x aluminum test tube rack (21 holes diameter φ32.5mm/1.28in )
Kindly note: Due to lighting effect, displayer s lightness and manual measurement there could be some slight different in the color and size between the photo and the actual item. Hope you understanding! Thank you!