Hurlinges enable quick door fitting as they require no morticing into the door or frame. They feature lugs on the knuckle for quick and simple lining up. Corner Type Radius Corrosion Rating 2 - Occasionally damp/wet, rural and sheltered areas Description Hurlinges enable quick door fitting as they require no morticing into the door or frame. They feature lugs on the knuckle for quick and simple lining up. Finish Polished Chrome Hole Dia. mm 4.60 Knuckle Dia. mm 8.0 Knuckle Type Plain L1 x W1 mm 75 x 31 L2 x W2 mm 47 x 24 Length inch 3 Length mm 75 Material Steel Max Door Weight kg 20 Open Width mm 55 Pack Dimensions L x W x H mm 170 x 92 x 10 Pack Weight kg 0.100 Pattern 104 Product Code 434202 Rec Screw Dia. mm 3.5 Rec Screw Gauge imp. 6 Screws Required Per Pair 12 Size L x W mm 75 x 55 Thickness mm 1.5