Steel Jewelry Ring Bending Machine, Ring Earring Bending Tool Ring, Platinum Size: packing size: 25.3x14.7cm; 1.Ring Bending Tools: 140x60x44mm, hole: 10mm; 2.Screws: 9mm in diameter, 24mm thick; 3.Handle: 30mm in diameter, 130mm thick; 4.Parallelogram: 93x26x20mm, hole: 7mm; 5.Measuring Ring Size: 12: 12x31mm; 14: 14x31mm; 16: 16x31mm; 20: 20x31mm; 22: 22x31mm; 90°: 13x31mm; 45°: 13x31mm; 6.Measuring Ring Radian: 18x26x20mm, 17x22x20mm; 14x26x20mm; 16x26x20mm; 13x26x20mm; 20x26x20mm; 20x26x19mm.If the ring thickness exceeds 1mm, it cannot be bent with this product.