12×75 mm, 5 ml polystyrene round bottom test tube with a 1400 RCF rating. With dual-position snap cap. Sterile. 1/pack, 500/case.17×100 mm, 14 ml polystyrene round bottom test tube with a 1400 RCF rating. Sterile. With dual-position snap cap. 1/pack, 500/case. 352003-Polystyrene Round Bottom Test Tube