HZ37-206-825 Step-tile Profile Materail Thickness:0.5-0.6mm Material Width:1000mm Effective Width:825mm HZ28-207-828 Step-tile Profile Materail Thickness:0.5-0.6mm Material Width:1000mm Effective Width:828mm HZ37-253-760 Step-tile Profile Materail Thickness:0.5-0.6mm Material Width:914mm Effective Width:760mm Main applications: Tile roof Working speed: 5 10m/min