The Purple Surgical Ultimate Circular Stapler with Dual Safety & Tilt Top Anvil places a circular staggered, double row of titanium staples in the tissue and resects excess tissue to create a circular anastomosis. Features and benefits include: Low profile Tilt Top Anvil for easy insertion and removal Green firing indicator window provides variable closed staple height gauge Dual safety lock-out mechanism prevents misfiring Vented, low profile Tilt Top Anvil releases vacuum and minimises the potential of tissue trauma on removal Angled Wing Nut for easy counting of full and half turns Available in 4 size options with 3 open staple heights and variable closed staple heights for greater choice and flexibility Perfect 'B' shape titanium staple formation