Adam GFK Checkweighing Floor ScaleSuperb 5g accuracy, 75kg capacity checkweighing floor scale with 5 year warranty! The GFK weighing scales range are tough, industrial floor scales from British weighing scale manufacturer Adam Equipment. Every GFK is covered by Adam's industry leading 5 year warranty for complete peace of mind. These tough, easy to use scales can be found in factories and warehouses around the world, where they are used daily to weigh products accurately. The separate