This is a polished chrome pivot door hinge commonly used for glass doors and glass panels. Material: Copper Finish: Polished Chrome Overall width of mounting plate: 75mm Distance between mounting holes: 66mm at the farthest point and 28mm at the closest point. The diameter of these mounting holes is 8.7mm. Overall Height: 76.4mm Fixing Hole Information There is a fixing hole to attach to the glass shower door. The hole size for a glass shower door should be at least 8mm because the diameter of the bolts for mounting the glass shower door is around 7.7mm. Maximum door weight: The maximum weight of a glass door used with this hinge must not exceed 45 kg. You will need two hinges, usually one for the top of the glass screen and one for the bottom. Required tools: 5mm Allen key and 2.5mm Allen key