Advance Tech Service [P] Ltd. Manufactures Heavy Duty Crimp Tool. Heavy Duty Crimp Tool bears the model number AT-5402D. Advance Tech Service [P] Ltd. Received EFY Award in Soldering Desoldering category. Available at a low cost, this Heavy Duty Crimp Tool crimps copper lugs and non-insulated terminals of 1.25, 2.0, 5.5, 8.0, 14 square mm.