Ultra Lock Preformed Clamp 1.3/8" and 5/8" wide 2.Applied with center punch tool 3.ISO&CE warranty YUNQI ® Ultra Lock ClampDesigned for quick installation, tightest clamping force and gap-free inside diameter to minimize leaks. The best choice for demanding applications.l Unique lock formed under full tension maximizing tightness. l Lock is thicker and 2-3 times stronger than other preformed ...