Niigata Seiki SK Made in Japan Silver Curved Scale Ginryu Kaidan Scale Thin Wide 30cm TH-30KD

Scale width: 20mm Front scale: Longitudinal 1 outside: 30cm2 inside: 25cm (inner standard), Gable 1 outside: 15cm2 inside: 10cm (inner standard) Back scale: Gable 1 outside: 30cm2 inside: 25cm (inner standard), Gable 1 outside: 15cm2 inside: 10cm (inner standard) Squareness: 0.1mm or less per 100mm (scale side) Length tolerance: 300mm±0.2mm Corner: Same thickness