Quality Material: pex clamp rings are made of 304 stainless steel with nice rust resistance, corrosion resistance, which also have low temperature strength and heat resistance 360Stepless design: these stainless steel hose clamps provide reliable connection for all PEX pipes and the design of narrowband can provide a more concentrated sealing pressure Easy to use: these hose clamps assortment fit well with 1/2 inch inner diameter pipe; Firstly, clamp ring over the pipe, secondly, push the pipe onto the fitting, finally squeeze it with clamp tool Wide range of usages: half inch pex cinch clamp rings can be applied in various piping systems, such as air condition system, water heater, food pipeline system, electrical plumbing, hydronic heating system and so on Warm tips: the 1/2 inch PEX clamp fits for 1/2 inch inner diameter pipe; It is adjustable and has an inside diameter of 17.5 mm - 15 mm Features: Sufficient quantity: You will get 150 pieces quality 304 stainless steel PEX cinch clamp rings. And they have rust resistance, corrosion resistance, low temperature strength and heat resistance. Application: These half inch pex cinch clamp rings can be applied in various piping systems, such as air condition system, water heater, food pipeline system, electrical plumbing, hydronic heating system and so on. Specifications: Material: 304 Stainless Steel Size: as pictures showen Quantity: 150 pieces Package Contents: 150 x 304 Stainless steel clamp rings Warm notice: 1/2 inch PEX clamps: fit for 1/2 inch Inside Diamter pipe. It is adjustable and has an inside diameter of 17.5mm- 15mm.