The (100 Pack) Apollo 1 in. Stainless Steel Poly Pipe Pinch Clamp Jar is a set of 100 round-shaped clamps designed for use with poly pipe. Made from corrosion-resistant stainless steel, these clamps are 1 inch in height and width, making them suitable for securing poly pipe in various plumbing and garden applications. The Apollo brand ensures quality and durability in this essential home improvement product.