Features: For all square posts, steel or aluminum gates Dual Bearing Glide System withstands heavy loads High corrosion resistance Robust and durable Left of right handed, inswing or outswing Works on gate swing designs Mounting brackets can be powder coated and/or painted Non-Self Closing Model; click here for Self-Closing Model Best warranty in the industry Please Note: These hinges come in a self-closing and non-self closing version and can be used in any of three combinations: Use 2 each of our SKU RF108SFW, to self close a gate up to 260 pounds*. Use 1 of our SKU RF108SFWand 1 of SKU RFSMW to self close a gate up to 180 pounds*. Use 2 non self-closing hinges (our SKU RFSMW ) to hold a gate up to 1500 pounds* (will not self close).(*Weight rating based on a maximum gate size of 72"H x 40"W) Important: Order 2 hinges per gate. Specifications: Color: Black Easy to install. No special tools needed. Steel mounting brackets for weld-on or screw on applications. All mounting brackets and fasteners included. Vertical and horizontal adjustment. Two rows of bearings for consistantly superior performance. Maximum angle of opening: 180 degrees. Gate Gap: 1/2" to 1-3/8"