Bronze Ground Clamp for 2.5-4in. PipeBronze ground clamps are for bonding bare copper wire to water pipe or for use as a water meter shunt. They will fit ground wires 10 sol to 2/0 str and water pipes 1/2 to 6 inches. Zinc plated steel screws. SPECIFICATIONS: PIPE SIZE (IPS) GROUND WIRE RANGE 2 1/2 - 4 inch 10 sol - 2 str QUANTITY: 1 Count LENGTH: 6.350 WIDTH: 0.970 HEIGHT: 3.750 BRAND EQUIVALENT: Burndy C-4 Dottie 1001 Ideal 87-565 MANUFACTURER: NSi Industries PART NUMBER: G-4-S UPC: 662381010315 We have the best selection and prices on grounding products.