Becton Dickinson Consumer BD PrecisionGlide™ Tuberculin Syringe 25G x 5/8" Needle Length, 1mL Volume The BD™ Tuberculin syringe with BD PrecisionGlide™ Needle helps improve dosage accuracy and virtually eliminates needle pop-off. Plus, bold, clear scale markings make easy and accurate dosage measurements. The thinner and smaller syringe size is easier to control and is less threatening to patients.