Disposable Tissue Grinder Pestle Only for 1.5mL , RNase Free, Autocl Kimble® por | Jul 24, 2026Choose autoclavable polypropylene or RNase-, DNase-, pyrogen-free material (manufactured under M5.5 [Class 10,000] cleanroom conditions). Disposable Pellet Pestle. Length of pestle with tip, 7cm (2.75 in.).