12 sided metal regular polyhedron prism

{"cid":"91223678","title":"GCr15 Steel Precision Metal Regular Polyhedron Prism Polished Surface 12 Sided","imgUrl":"https:\/\/img.chinax.com\/nimg\/0f\/b0\/87e2a7addfa49fdd60947fe3d4dc-200x200-1.jpg","attrs":{"Price":"3000~5000 USD","Brand Name":"SPR-ing","Minimum Order Quantity":"1 piece","Delivery Time":"1~3 weeks","Payment Terms":"L\/C,T\/T","Supply Ability":"500\/month","Packaging Details":"Carton","Place of Origin":"Shenzhen","Measurement Uncertainty of Working Angle Grade 0":"\u22640.3\u2033","Rotating Center Aperture":"\u03c625 mm","Surface Finish":"Polished","Product Category":"Polyhedral Prism","Product Name":"12 Sides Angle Measure Prism Angle Testing Regular Polyhedron Prism","Angle Of Sides":"60 Degrees","Flatness of Datum Plane Grade 0":"\u22641 \u03bcm","Verticality of Working Face to Datum Plane Grade 0":"\u2264\u00b110\u2033"}}