? All SmartBlocks are equipped with the outstanding Eppendorf QuickRelease system that makes the block exchange super fast and easy. Just press the lever on the front of the block and the block can be removed - no tools are needed, done in seconds? Optimized block design supports optimal temperature transfer within your sample to receive excellent results? Eppendorf SmartBlock-specific calibration by integrated sensor technology maximizes temperature accuracy and homogeneity? Every SmartBlock is individually inspected in production for temperature accuracy and is delivered incl. a serial-number specific certificate for documentation purpose