The nylon barrel on this syringe is transparent virtually unbreakable sterilizable and features permanent laser-etched gradation markings. Heavy chrome-plated brass plunger rod is attached to a stainless steel nut embedded in the yellow plastic palm-rest. Luer lock needle holder tip is securely screwed to to a stainless steel plate at the barrel tip. Feeding Tube for inserting medications into the throat sold separately. Needles not included.