Overview Reviews Product Description Material: hard ferrite grade Y30BH Magnetized Direction: through 0.25" Magnetic Characteristics: Gauss Rating: 3,850 gauss Pulling Force: 640g Product Videos Custom Field Grade Y30BH Pulling Force 640g Weight 10g Product Reviews Write a Review Write a Review × Ferrite Disc - 20mm x 6mm - Y30BH Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *