Retrieving Magnet Type - Size - Length 2-3/8 in Width 2-3/8 in Surface Size 2-3/8 in x 2-3/8 in Pickup Length 2-3/8 in Pull Capacity 40 lb Ceramic Magnets Glued in Welded Steel Housing and Encased in Plastic / Rubber Housing Material - Handle Type - Wheel Type Features - Use With Enclosed Eyebolt To Hold Lift And Hang Objects. Includes Two Magnetic Shields To Block Magnetic Strength When Not In Use