Mayhew Pro 50540 Mandril for 27-Piece Hollow Punch Kit Used to create precise gaskets and washers in softer materials; E.G. Cloth, vinyl, leather, light sheer metal, and GASKET material Wide array of sizes available for numerous ID and OD configurations Available in kits or sold individually; various mandrels and handles available to use with striking tools Dual cutting heads allow the user to punch concentric circles in one strike Made in France