TB400 Outdoor Heavy Duty Gate Closer for Gates 44 to 72 Inches in Width and 95 to 195 Pounds in Weight, High Grade Hydraulic Gate Closer, Black. This is one of the few gate closers that can be installed outdoors. The all-metal structure has a long service life and is waterproof, rustproof and corrosion-resistant. This is a hydraulic gate closer that must be installed and leveled by the installer according to the instructions, it is not suitable for installation on flimsy doors. It is recommended for installation on iron or wood doors that are 44 to 72 inches wide and weigh 95 to 195 ...