Specification: Material: steel frame and polyurethane surface. Thickness: 30mm, 45mm, 50mm. Opening size: Width: 0.1mm - 2.5mm , Length: 4mm - 16mm. Screen width: 305mm, 500mm and 515mm, others can be designed. Screen length: 305mm, 610mm, 650mm, 915mm, 1200mm and 1220mm, others can be designed. Connection type: Bolts, Rose nail, Trim strip , Rail support. More details contact us: Huatao Group - Tufflex Screen www.tufflexscreen.com /www(dot)tufflexscreen(dot)com Email: [email protected] maple(at)huataogroup(dot)com Tel: 0086 0311 80690567 Mob: 0086 181 0331 7488