Catgut plain suture 5-0, DS 16 mm needle, 75 cm ivory Pack with 12 sutures Resorbable - biologic - multifilament SMI Catgut Plain sutures are made of purified collagen taken from the serosal layer of selected bovines, Origin from BSE-free classified countries. The suture has a monofilament appearance. 50% tensile strength remining after 7 days. The suture is completely absorbed after 63 days. Manufacturer: SMI AG