... Products: Hotplate,Stirrer,Stirrer Hotplate,Melting Point Device,SamplerConcentration,Block Heater,Vortex Mixer,Cold Keeper,Mixer Incubator, Rocker, Shaker ... customer-made blocks with desired insertion depth and diameter.Technical Specification: ModelTube(Diameter/Type)No. Of HolesHole Size(dis. X ... -0812mm2012.6X33ADB-0916mm1216.5X47ADB-1010mm2010.5X47 Dry Block (ISO,CE Passed, 3years Warranty)