Spring Automatic Door Closer Alloy Door Self-Closing Spring Door Closer Surface Mounted Easy to Install Simple-Buffer Automatic Door Closer Features： Automatic buffer closing: Reduce door closing speed, damage,extend service life of the door. Double spring structure: Full of power, Strong spring, suitable for various types of doors. Gentle and silent: arms rollers make opening and closing and silent. Adjustable-door opening force: Use matching wrench to adjust the closing speed according to own requirements. Left or right available: Available on left and right doors, just flip the door closer 180°. Specifications: Material: Aluminum alloy Color: Black, White Weight: About 300g Size: 16.7x12.5cm/6.57x4.92in Package: 1 x Simple-Buffer Automatic Door Closer Note: allow slight measurement deviations due to manual measurement. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed in the pictures. Space utilization, delicate and orderly: ZKCCNUK excellent storage products, clever design, let your space full of order, easy to create a delicate and orderly life. Creative storage, full of vitality: Unique ZKCCNUK, creative storage design, let each item find the right home, full of infinite vitality of life. Texture upgrade, taste life: ZKCCNUK excellent storage products, texture upgrade, select materials to create high quality, so that your taste of life to the next level. Multi-scene application, full practicality: ZKCCNUK excellent storage products, multi-scene application, to meet your needs for different Spaces, full practicality and versatility. Well-designed, fashionable storage: Choose ZKCCNUK, well-designed excellent storage products, not only solve the problem of clutter, but also let the whole space radiate a fashionable living atmosphere.