Malmo Steels Pvt. Ltd. Offers Forged Type double Swivel Couplers weighs up to 1.25 kg. Malmo Steels Pvt. Ltd. Is into business of producing scaffolding products. This Forged type double couplers provide stronger grip. It is easier to handle when connecting standard to standard or ledger to ledger and any tube having an outside diameter of 48.3mm at right angle or 90° and it weighs up to 1.25 kg.