1 mL BD™ Tuberculin syringe with 27 G x 1/2 in. BD PrecisionGlide™ detachable needle, slip tip, regular bevel, regular wall. (100/sp, 800/ca) 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