Suitable for left and right opening doors, fixtures and fittings all included along with installation instructions. This door closer works with all types of medium doors -- right and left opened doors, wood and metal doors, residential and commercial doors, exterior/interior door closer, fire doors, glass doors with frame and etc. Antioxidative, anticorrosive, rustless, steady, abrasion resistant, weatherproof, hydraulic, quiet and safe closer. Gives you an easy and safe life, protects your door and lock. Oxidation-resistant, corrosion-resistant, rust-proof, stable, wear-resistant, weather-resistant, hydraulic, quiet and safe closing. This door closer is suitable for all types of medium-sized doors – left- and right-hand opening doors, wooden and metal doors, residential and commercial doors, external/internal door closers, fire doors, framed glass doors, etc., Manufacturer: KFGISD