•EASY TO OPERATION -- Just drill a hole in the workpiece, assemble the appropriate rivet nut onto the tool, insert it into hole, squeeze and then complete. Especially perfect when the surface in question is too thin to be tapped, or access to the backside is limited.Aluminum diecast frame and drop-forged steel lever handle.Wide self opening spring for regripping ease.Automatic mandrel ejection.Heat treated for increased strength and durability.Comes with four nosepiece to set rivets.3/32", 1/8", 5/32" and 3/16"2.4mm, 3.2mm, 4.0mm, 4.8mm Aluminum rivets