Dimensions: 2-5/8" Wide X 2-1/4" Tall X 15/16" DeepMagnet Weight: 12 oz. With KeeperMagnetic Pull Force: 42 lbs.Pole Gap: 1-3/8"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