Spruance Cord Clamps, Air, 75 Lb. Capacity United States - Other - Cord Clamps, Air - Tensile Tester, 14 years ago, 599 hits Pair of Pneumatic Spruance Cord Clamps for Tensile Testers - 75 lb. Maximum Capacity. Sturdy clamps are manufactured of bronze and stainless steel. The operating pressure is 50-70 PSI.
