Hollowing Carbide Chisels are used for hollowing out bowls and vases, as they allow the turner to reach into those otherwise impossible to reach places enclosed in a narrow opening. The Hollowing Turning Tool measures 8" from cutter to ferrule and 27-5/8" overall. Round tip. Shop Fox D4493 - Curved Neck Carbide Tipped Lathe Chisel, Inside Hollower