These cranked hinges are manufactured from high quality extruded brass and brass pins to guarantee a rust free long lasting finish. They are ideal for high quality rebated casement door and window projects. The ball bearing raced knuckles prevent knuckle wear and will provide a lifetime of silent and smooth operation. Fixings included. Corner Type Square Corrosion Rating 4 - Urban & industrial areas with a moderate salt atmosphere Description These cranked hinges are manufactured from high quality extruded brass and brass pins to guarantee a rust free long lasting finish. They are ideal for high quality rebated casement door and window projects. The ball bearing raced knuckles prevent knuckle wear and will provide a lifetime of silent and smooth operation. Fixings included. Finish Satin Chrome Hole Dia. mm 5.1 Knuckle Dia. mm 8.0 Knuckle Type Ball Bearing Length inch 2 Length mm 64 Material Solid Brass Max Door Weight kg 40 No. of CSK Screws 12 Open Width mm 55 Pin Material Brass Product Code 234761 Rec Screw Dia. mm 4.0 Rec Screw Gauge imp. 8 Screw Size imp. 8 x 1 Screw Size mm 4.0 x 25 Screws Required Per Pair 12 Size L x W mm 64 x 55 Thickness mm 2.50