The last pair of rollers has an adjustable gap. A device has a PVC insert protects the sheet metal from scratches.The item "Sheet Metal Crush Fold Maker / Clamping Device / Tool for Closing Seams" is in sale since Friday, February 2, 2018. This item is in the category "Business, Office & Industrial\CNC, Metalworking & Manufacturing\Metalworking Equipment\Bending Machines". The seller is "bendingmachinesuk" and is located in Bydgoszcz. This item can be shipped worldwide.