Astro 9419 Memory-Flex Hose Clamp Pliers New Memory-Flex cable stays in the desired shape while in use; Cable Assembly - #9419CA Re-engineered features: Larger double gear lock lever, Wider and deeper gears, Thicker Cable, and Cable length adjuster Allows for removal of plastic and/or metal self-tightening hose clamps with diameters of 11/16" - 2-1/2" (18mm - 54mm) Precision clamp on end of flexible cable allows for extended reach where other models cannot reach Pliers can be locked, freeing up your hands and making your job easier and faster