Zuma Concealed door closer suitable for both right hand and left hand opening doors. Door weighing capacity up to 80kg.Double adjustable closing and latching speed for better performance. Minimum door thickness for installation 40 mm 1 year warranty from the date of purchase Specification : 1) Hydraulic Closing with Two Stage Closing, 2) Can be fitted in wooden or metal frame door, 3) Suitable for 35mm or more thickness of Door, 4) Fully Hydraulic controlled Closing Speed, 5) Pack Body to ensure Long Life, 6) Adjustable Closing speed, 7) Adjustable Latching Speed, 8) Maximum Door Weight - 60 Kg to 80 Kg, 9) Maximum Door Width - 950mm