Niigata Seiki SK Made in Japan Silver Curved Scale Benryu Kaidan Scale Square Thickness 30cm SC-30CKD

Scale width: 15mm Front scale: Long length 1 outside: 30cm2 Inside: 30cm (outside standard), Width 1 outside: 15cm2 Inside: 15cm (outside standard) Back scale: Longitudinal 1 outside: Corner 2 inside: Round + tenon, gable 1 outside: 15cm2 inside: - Squareness: 0.1mm or less per 100mm (scale side) Length tolerance: 300mm±0.2mm Corner: Corner thickness