... non-sterile, with safe lock, Made of medical grade polypropylene,WHB 0.5ml effendorf tube is with safe lock,Non sterile,Conical bottom ... *122ml effendorf tube with safe lock, round bottomWHB-CT10500*122ml effendorf tube with safe lock,WHB-CT9500*122ml effendorf tube ... with safe lock, graduatedWHB-CT8500*12If it has been mentioned, the features are not included. 0.5ml EPPENDORF TUBE