Add to Cart Quick view Tandem Diabetes Care TruSteel Infusion Set 23" Tubing 6 mm Cannula $100.24 TruSteel Infusion Set 23" Tubing 6 mm Cannula. Our secure set with a 90-degree needle and second adhesive pad to help avoid dislodging 6 or 8 mm needle 29-gauge stainless steel needle 90-degree insertion angle 23 or 32 inches of... Compare Add to Cart Add to Wishlist