Center Punch Preformed Clamp 1.3/8" and 5/8" wide 2.Applied with center punch tool 3.ISO&CE warranty YUNQI ® Center Punch Preformed ClampUsed in less demanding applications where minimizing leaks and longevity are not critical.l Lock with impact from a hammer using a conical punch. l Double wrapped using 201 stainless steel or galvanized carbon steel. l Manufactured with thicker 201 stainless ...