Tri-Anim Jackson Metal Trach is Sterile and Latex-free. Made up of Stainless steel Jackson Improved tracheostomy tube. Regular length with a rotating lock to hold inner cannula in place. It has a 90ø curve and a rotating lock to hold the inner cannula in place. Neckplate Shape: Size 5, Short, 9.2 OD x 6.8 ID, 56 L. Rotating Lock, Metal.