An invention of Niessing from the twenties is the technical foundation for this tool, which is still manufactured today, and yet because of its simplicity and functionality has validity. The technical principle of the screw press is used and extended by the use of special accessories. The operation of the press is very simple and requires no special technical know-how. This brochure explains the possible applications and gives an overview of the various techniques and the necessary accessories.Important for the smooth operation of the device is the use of jointless rings without diamond setting of high-grade alloys.MADE IN GERMANY included in delivery: 2 conical expansion mandrel 20 and 26 mm 2 stripping hook 33 measurement discs 24 copper rings spring head compression plate compression stamp special device to enlarge and reduce wide and flat rings included in delivery: 10 steel die 20 sleeves for enlarging 20 sockets for reducing 1 wooden base Accessories for wedding ring sizing maschine order no 4702 Additional Information: 20 sleeves for enlarging No. Ø-inside No. Ø-inside No. Ø-inside No. Ø-inside 1 17.5 mm 6 20.0 mm 11 22.5 mm 16 25.0 mm 2 18.0 mm 7 20.5 mm 12 23.0 mm 17 25.5 mm 3 18.5 mm 8 21.0 mm 13 23.5 mm 18 26.0 mm 4 19.0 mm 9 21.5 mm 14 24.0 mm 19 26.5 mm 5 19.5 mm 10 22.0 mm 15 24.5 mm 20 27.0 mm 20 sockets for reducing No. Ø-outer No. Ø-outer No. Ø-outer No. Ø-outer 1 14.5 mm 6 17.0 mm 11 19.5 mm 16 22.0 mm 2 15.0 mm 7 17.5 mm 12 20.0 mm 17 22.5 mm 3 15.5 mm 8 18.0 mm 13 20.5 mm 18 23.0 mm 4 16.0 mm 9 18.5 mm 14 21.0 mm 19 23.5 mm 5 16.5 mm 10 19.0 mm 15 21.5 mm 20 24.0 mm
