QHQ-A（750g） Pencil Hardness Tester's video
1231 plays · 2016-07-11
Videos > Pencil Hardness Tester > QHQ-A（750g）
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Product description
JFL QHQ-A pencil hardness meter load weight 750g, suitable for most soft and hard moderate film pencil Hardness test, QHQ pencil hardness meter contains horizontal pad and 13 pencils, is a coating Hardness Gauge.