MAGNAFLUX® 01-1716-87 MAGNAVIS® #1 Gray Colored, Non-fluorescent Magnetic Particles - 45 lb Pail

® Dry Method Non-Fluorescent Magnetic Powders produce clear, sharp indications across a variety surfaces and background ® Dry Method Non-Fluorescent Magnetic Powders are ready to use, free flowing, general purpose magnetic powders designed to produce, superior indications of surface and slightly subsurface discontinuities in ferrous materials. Available in #1 Gray, #2 Yellow, #3A Black and #8A Red they produce sharp, contrasting indications across a large variety of surfaces and backgrounds.