Interchangeable tip rods from Dentcraft Tools are great for the ever changing PDR industry, they are great for PDR repairs on hail, door dings and larger dents. These paintless dent repair rods give you the option of changing the tip from a blunt tip for starting a large dent to a fine tip for cleaning up and finishing the dent. The interchangeable tip hail rods are great because they give you the option of having two different tips on the same rod.