swinging tube holders. There are 19 IEC #381

swinging tube holders. There are 19 IEC #381 swinging tube holders 2 IEC #398 tube holders and 2 Phillips Drucker #265 tube holders. Most of the IEC #381 tube holders are matching pairs (by weight). The tube holders are all 1.75" across. See pictures for additional information. They are in fair physical condition corrosion on some pieces (shown). They weigh 15 lb To see a picture of this lab equ.