roughness ra 0 8 tungsten knife

{"cid":"91201853","title":"YG11C Tungsten Knife 1100\u00d72 R15 Long Strips Knives Sharp Edges With 90 Degree","imgUrl":"https:\/\/img.chinax.com\/nimg\/dc\/92\/331e6bdf06b1b7ccdca008b032b5-200x200-1.jpg","attrs":{"Price":"$50-$300","Brand Name":"OED\/OEM is available","Model Number":"110\u00d72mm","Minimum Order Quantity":"20pcs","Delivery Time":"1 week","Certification":"ISO 9001:2015","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"5000pcs per week","Packaging Details":"plastic box\/box + Cartons","Material":"Tungsten carbide","Application":"Long strip knife","Hardness":"88.9 HRA","TRS":"3200","Density":"14.4","ISO Grade":"k45","Length":"110mm +0.1","Width":"2.5mm+0.02","Thickness":"2mm +0.02","Roughness":"Ra 0.8","Cutting Angle":"90\u00b0"}}