Product information: Specifications: a long hair 18mm single Bruch head, a long hair 18mm with bracket, a middle hair 9mm single Bruch head, a middle hair 9mm with bracket, a short hair 6mm single Bruch head, a short hair 6mm with bracket Cylinder diameter: 71(mm) Barrel length: 460(mm) Barrel Material: Engineering Plastics Scope of Application: interior and exterior wall painting