Neodymium Super Ring Magnet 0.75" OD 0.25" ID 0.25" thick

Ring N35 Nickel Plated OD 3/4" ID 1/4" X 1/4"(A)

The magnet is very strong and works great for the experiments I am doing, but I had to request the following info which should be on your website. Item: Ring N35 Nickel Plated OD 3/4" ID 1/4" X 1/4"(A) Dimensions: OD 3/4" ID 1/4" X 1/4"(A) Tolerances: OD ±0.005” X ID ±0.005” X ±0.005” Thickness Material: NdFeB, Grade N35 Plating: Ni-Cu-Ni (Nickel Copper Nickel) Polarity: Magnetized thru the Thickness (Axially – Poles on the Flat Ends) Pull Force: 14.68 lbs. Maximum Operating Temperature: 176°F / 80°C Material/Grade Br Hcb (Hc) Hcj (Hci) (BH)max mT Gauss kA/m Oe kA/m mT ​G kA/m N35 1,170 11,700 868 10,900 955 12,000 263 33