These blocks are for use with the Thermal-Lok mini dry bath 2520-1001 and 2530-1001. The mini dry bath includes a clear cover for use with blocks for 0.2, 0.5, 1.5, and 2.0 ml tubes. The 4-place block for 15 ml tubes and the 2-place block for 50 ml tubes are not for use with the clear cover.

The PCR tube block holds 40 individual tubes or five 8-tube strips.