... brush and PVC or aluminium alloy frame. ( two), nylon bristles of environmental protectio One, product introductionProduct Name: BrushTwo, features:( one), ... brush and PVC or aluminium alloy frame.( two), nylon bristles of environmental protection -- filament toughness, moderate hardness, not easy to ... type, 2 cm F type, 2.5 cm F type, 2.5 cm T type Note: also provided according to customers drawings, ...