Thước cặp dài 6 tấc
thước đo dài 600mm
Starrett caliper
Features
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Hardened stainless steel, satin chrome finish with black graduations
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Raised sliding surfaces prevent defacement and wear of graduations
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Measuring surfaces are precision ground and lapped for extreme accuracy
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Long jaws with open face design allows both the inside and outside vernier scale on the same side