SK平面斯科舍省，比例等于JIS 2级，未硬化，150mm 钢形正方形150mm E-150

Length piece total length (mm): 150
Bottom length (mm): 100
Thickness (mm): 5
Scale length (mm): ±0.035
Scale accuracy (mm): ±0.4
Pole length (mm): 150
Base length (mm): 100
Width (mm): 25
Thickness (mm): 5
Accuracy: ●Square angle (mm): ±0.035
Scale accuracy (mm): ±0.4
Shape: Flat type Nominal dimensions (mm): 150
Length piece total length (mm): 150
Bottom length (mm): 100
Thickness (mm): 5
Scale accuracy (mm): ±0.035
比例准确度（mm）：±0.4

主体：机械结构的碳钢

220g

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