... : TUV, CE, ISO9001 * Type of needle shape: 1/2 circle, 3/8 circle, 1/4 circle, 5/8 Suture needle/ Surgical sutureCertification ... : TUV, CE, ISO9001* Type of needle shape: 1/2 circle, 3/8 circle, 1/4 circle, 5/8 circle, half curved, straight ... * Diameter of sutures: USP 10/0-USP3* Suture materials: Polyglycolic acid, chromic catgut, plain catgut, silk, nylon, polypropylene, polyester, stainless steel ...