【Premium Heavy-Duty 304 Stainless Steel – Built to Last】 Unlike standard PEX crimp rings, our 1/2 pex crimp rings are constructed with thicker, wider 304 stainless steel, providing superior strength and durability. The high-grade material resists rust and extreme temperatures, making them ideal for plumbing, hydronic heating, and automotive applications. Unlike cheap substitutes, these PEX clamps will not crack or deform under pressure to achieve a durable and leak-free seal. 【Wider & Thicker Design – Stronger Grip, No Crimp Failures】 Many 1/2 pex clamps are too thin, leading to weak seals and crimp failures. Our 1/2 pex rings with reinforced design features a wider band and thicker steel, distributing pressure evenly for a tighter, more secure connection. This prevents pipe damage and ensures a 360° watertight seal, even under high pressure or thermal expansion 【360° Stepless Seal – Leak-Proof Protection】 Our PEX cinch clamps use an interlocking, stepless design that creates a complete 360° seal around PEX tubing. Unlike screw-type clamps that can loosen over time, these single-ear pex clamp ring compress uniformly, preventing leaks in water supply systems, HVAC, and industrial plumbing. The smooth inner edges eliminate pipe damage during installation 【Universal Compatibility – Works with All Major PEX Brands】 These 1/2 inch pex crimp rings fit all standard PEX tubing (OD 15-17.5mm/0.59-0.69in) and are compatible with any PEX crimping tool. Whether you're a professional plumber or DIYer, these pex rings provide a fast, reliable connection for PEX pipes. No need for special adapters—just slide, crimp, and secure 【140-Pack Bulk Value – Ideal for Large Projects】