For both rubber as well as bark cork stoppers. Nickel-plated brass. Each cutting tube mounted with safety under-flange in shaped handle ensuring that operator can't be injured by a dislodged tube. The specially designed thicker brass cutting tubes have moulded plastic handle at the top. Includes iron rod for cleaning borers. Sizes available are Set of6 : for hole diameters 4-10mm Set of 12 : for hole diameters 4-18mm Set of 18 : for hole diameters 4-27mm.
