The Benchmark Scientific BSWMT Block is designed for 2- and 4-block models from the BSH1000 and BSH5000 MyBlock series of digital dry baths. The block can hold one microtiter plate. The Benchmark Scientific BSWMT heating block that is mounted with a Micro Titer Plate and can be skirted or non-skirted. This fits for the 2 or 4-block dry bath only.