CCJH Invisible Door Locks Handle with Keys for Sliding Barn Wooden Door Furniture Hardware 180mm/7.1inches (Red Copper)High Quality Material: Zinc Alloy with electroplating finish, corrosion resistant; Dimension: L: 16 cm 6. 3"; W: 4. 5 cm 1. 77"; Fit for 36 50mm1. 2 5 2inchthickness door; Weight: 1. 35lb; Easy To Use: This door lock can be bolted inside or locked outside. When it is bolted inside ,it can be unlocked by the key from outside; Practical design: Small solid knob can be slided smoothly without more effort; Chamfered edge of the groove bring no stinging to