Block for Visible, 12 x 18mm, depth 50mm, round

SK180.2.5 /SK330.2.5 Fixing clip for flask volume 500ml

Heating block, used for 0.5mL tubes, 40 holes (thin)

MS 135.8 Blue Fixed ring，suitable for hotplate，used with MS135.2-7, suitable for 280℃ and 340°C series