Holding Magnet, Type Round BaseHeight (In. ) 1Dia. (In. ) 1-1/2 Max. Pull (Lb. ) 11, Magnetic Strength 11 lb., Stability Temp. (Deg. F) 400, Steel Cup, Ceramic Ring Magnet, Hard Plastic Knob, Vinyl Liner, Black, Nickel Plated, Includes Non-Scratch Liner