4.5mm x 120mm 7 standard wire gauge x 4.75" UCH Style Skeletal Muscle Biopsy Needle Reusable, Autoclavable Stainless Steel Outer cannula with printed tip and fenestrated shaft with dual ring handle Inner cannula with cutting tip and female luer fitting for suction application (finger control) and ring handle Blunt trocar for removable of biopsy sample Sealing cap for sealing the inner cannula (optional use)