Mayhew Pro 16-Piece Imperial Hollow Punch Kit, 66000: * Interchangeable dual heads allow precise cuts from between 1/8" - 1-3/16" * Polypropylene molded caps are shock- and chemical-resistant * Includes: * 1/8" * 3/16" * 1/4" * 5/16" * 3/8" * 7/16" * 1/2" * 9/16" * 5/8" * 3/4" * 7/8" * 1" * 1-/16" * 1-1/8" * 1-3/16" * The only dual cutting head system available * These hollow punches may be paired and interchanged to give you an endless combination of size possibilities * May be paired and interchanged to give you an endless combination of size possibilities * Used for cutting out washers and sealing rings * Can be used on a multitude of different materials including foam, cardboard, leather, rubber, fiber, plastic, gasket material and lead * Full lifetime warranty