Zinc Aloy Easy Drive Anchor/Speed Anchor Material: zinc alloy size: 13x31, 13x42, ,14x28,14x38 15x33.. drive anchor Zinc Aloy ... Easy Drive Anchor/Speed Anchor Material: zinc alloy size: 13x31, 13x42, ,14x28,14x38 15x33.. drive anchorzinc ... alloy anchor1.material:zamak2.application:fire dydrant,installation of hot-water ...