These are 10mL graduated disposable transfer pipettes. Often used in labs, these precision pipettes transfer fluids to sample tubes one drop at a time. Graduation marks start at 1mL and mark every mL up to 10mL. These pipettes prevent cross-contamination to samples and reduce airborne contamination. Molded in one piece from unbreakable, see-through low-density polyethylene to eliminate the hazards of broken glass and exposure to infectious materials. These bottles are sold by the case (100 count).