Steel rising hinges feature a spiral knuckle that lifts the door throughout the opening cycle making it ideal for applications where there is an uneven floor surface or obstructions such as deep pile carpets. The spiral feature will also enable to the door to self close making this a popular hinge choice for toilet or cubicle doors. As the knuckle is not fixed, it enables the door to be lifted off the hinge making it ideal for situations when do Corner Type Square Corrosion Rating 2 - Occasionally damp/wet, rural and sheltered areas Description Steel rising hinges feature a spiral knuckle that lifts the door throughout the opening cycle making it ideal for applications where there is an uneven floor surface or obstructions such as deep pile carpets. The spiral feature will also enable to the door to self close making this a popular hinge choice for toilet or cubicle doors. As the knuckle is not fixed, it enables the door to be lifted off the hinge making it ideal for situations when do Finish Zinc Hole Dia. mm 6.90 Knuckle Dia. mm 15.5 Knuckle Type Plain Length inch 4 Length mm 100 Material Steel Max Door Weight kg 40 Open Direction Left Open Width mm 86 Pack Dimensions L x W x H mm 170 x 92 x 10 Pack Weight kg 0.560 Pattern 466 Product Code 434157 Rec Screw Dia. mm 5.0 Rec Screw Gauge imp. 10 Screws Required Per Pair 16 Size L x W mm 100 x 86 Thickness mm 3.0