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