Precision Granite Square Master

Product Name: Precision Granite Square Master Material: Black Granite Class: Grade 00, Grade 0 Trademark: JINGDA Transport Package: Plywood Case Specification: 1000*630mm Origin: China Product Description Type(mm)Squareness betweenmeasuring surfaceand datum surfaceFlatness and straightnessof measuring surfaceFlatness and straightnessof datumsurfacePrecision Grade (μm)000000000100×63241111160×100241211250×1602.551212400×2503.5712.512630×4004.591.5312.51000×6306122.551.55Characristics:-Uniform hardness-Accurate uner a load-Low porosity-Easy to keep clean-Doesn't rust-Doesn't warp-No maintaince required-Non-magnetic