PCR tube strips are manufactured from high-quality virgin plastics for excellent, reproducible results in most PCR applications, and are manufactured without lubricants or chemical additives that can contaminate reagents and samples. Features: Rigid PCR strips available for Easy Handling. Flexible PCR strips for Easy Tube Division. Thin, uniform walls to ensure consistent, precise thermal transfer for excellent results. Autoclavable and RNase-, DNase-, and DNA-free. Compatible with most 24-, 32-, 96-, and 384-well thermal blocks.