Dimensions: 1-1/2" Wide X 1" Tall X 1" DeepMagnet Weight: 4 oz. With KeeperMagnetic Pull Force: 22 lbs.Pole Gap: 3/4"Aluminum-Nickel-Cobalt (Alnico) Alloy Construction Produces A Strong Magnetic FieldRemovable Keeper Bar Completes A Magnetic Circuit, Extending The Tool's Useful LifeIdeal For Lifting, Holding, Sorting, Clamping And Retrieving Steel Or Iron Parts