... , gear shaper, hobbing machine, grinder. Detailed Product Descriptionsteel gear rack Material : C45,40Cr,S.S 304,etc specs:10*10mm ... length:1000mm Moudle:2-25 steel gear rack Steel gear rack specs: 10*10*1000mmMaterialC45Typespurteeth finishcutprecisionup 5Product usage gate opener ... kinds of standard and non-standard gear racks, so you can buy all the products you need from one manufacturer, ...