100 Piece, 1", Single Ear Pinch Clamp, Designed To Fit Most Popular Polyethylene & Polybutylene Water Service Lines, Perfect For Sprinkler Systems, Irrigation Systems & Most Other Low Pressure Applications, Marine Grade Clamps, 300 Stainless Steel For Excellent Corrosion Resistance, Easy Installation, Permanent, Tamper Proof 360 Degree Seal, Bag.