With Locking Function: Adjustable locking ring, for easy clamping of flexible lines, especially in places where it is difficult to access with screw clamps. Makes it easier to work on hoses, without damage or loss of fluid. Meet Different Needs: The hose clamp pliers are available in three sizes, length: 155mm, 185mm, 250mm. Large terminal opening area: about 0-65mm; Center bracket opening range: about 0-35mm; Small clamp opening area: about 0-20mm, suitable for most vehicle pipes. Plenty of quantity and bright design: There are 6 pliers in the hose clamp pliers set, 2 x large hose clamp pliers, 2 x medium opening hose clamp pliers, 2 x small hose clamp pliers, and the number is sufficient. Hose clamp pliers use bright yellow, a very recognizable color can be easily found, which can prevent accidental loss of hose clamps. High-quality materials: plastic, non-conductive, heat-resistant. Lightweight with non-damaging jaws that can prevent the destruction of the inner lining of the hose.