Clamp, Surgi-OR Backhaus Towel Clamp, Sklar, 3-1/2 in.,, Curved, Perforated, 1 x 1 Prong, Stainless Steel, EA. Surgi-OR Backhaus Towel Clamps are a perforating clamp used for grasping tissue, securing towels or drapes and holding or reducing small bone fractures. Hand-crafted in Pakistan, Surgi-OR mid-grade instruments are forged from the highest quality Japanese steel and provide reliable instrumentation for the operating room and other surgical centers. Surgi-OR instruments are a cost-effective line of instruments that must meet Sklar's quality standards. This product is curved with 1X1 perforating prongs and 3-1/2 inches in length. Lifetime warranty against all manufacturer defects.