Boston Scientific M001207040 AccuStick II Introducer System Without .038inch Wire 21 Ga x 15 cm Contents: (1) Co-Axial Introducer with Locking Cannula 4F Dialtor, 4.5F I.D. Sheath (1) Introducer needle With Stylet 21 Ga x 15cm (1) 0.018inch x 60cm Stainless Steel Guidewire With 7.5cm Floppy Tip