20 Mm Crimper Flip Top. ₹ 3,900/ Piece Get Latest Price. Our Hand Crimpers are ideal for low volume manual crimping of aluminum crimp seals onto vials and bottles. - Crimper sizes available from 7.5mm, 8 mm , 11 mm, 13 mm, 20 mm to 32mm for a variety of seal types. - Hand Crimpers have an adjustable stop allowing the operator to consistently