All metal Parts> Aluminium anodized, to make it resistance to all chemicals, except Caustic soda. Water     and whether proof.> Designed for manual capture of high quality tissue samples with minimal trauma to the     patient. A scalpel sharp surgical steel cutting edge, retries clearly cut high quality     specimens. > A light weight instrument with good handle grip.> The tru cut also offers a 15mm specimen notch.> Trucut biopsy needles provide the largest core of tissue than any other needle> Can be steam sterilized and reused.> Sizes available