Block Module 8-Hole 20mm ,Each

Details:

Here is the corrected text: these blocks are designed for standard test tubes. Constructed from a solid anodized aluminum block, the close contact of tubes to block walls allows for maximum heat retention. They come in various sizes and configurations. **6 Mm standard test tube block** cat. No.: 13259-105 For use with: standard test tubes no. Of wells: 30 for tube diameter: 6 mm well diameter: 8.3 Mm **10 mm standard test tube block** cat. No.: 13259-107 For use with: standard test tubes no. Of wells: 24 for tube diameter: 10 mm well diameter: 10.7 Mm **12/13 mm standard test tube block** cat. No.: 13259-120, 13259-130 For use with: standard test tubes no. Of wells: 16, 20 for tube diameter: 12/13 mm well diameter: 13.9 Mm **15/16 mm standard test tube block** cat. No.: 13259-162 For use with: standard test tubes no. Of wells: 12 for tube diameter: 15/16 mm well diameter: 17.5 Mm **16 mm standard test tube block** cat. No.: 12985-046 For use with: standard test tubes no. Of wells: 6 for tube diameter: 16 mm well diameter: 17.5 Mm **17/18 mm standard test tube block** cat. No.: 14216-212 For use with: standard test tubes no. Of wells: 12 for tube diameter: 17/18 mm well diameter: 19.1 Mm **20 mm standard test tube block** cat. No.: 13259-184 For use with: standard test tubes no. Of wells: 8 for tube diameter: 20 mm well diameter: 21.0 Mm **25 mm standard test tube block** cat. No.: 13259-210 For use with: standard test tubes no. Of wells: 6 for tube diameter: 25 mm well diameter: 26.2 Mm **35 mm standard test tube block** cat. No.: 13259-252 For use with: standard test tubes no. Of wells: 4 for tube diameter: 35 mm well diameter: 35.0 Mm all blocks come with a best-in-class, exclusive 5-year warranty and have a gsa contract: y.