Safety First Optima Fix Extending Gate SAFETY COLOURS/STYLES WHITE SIZE One Size. Safety First Safety Gates. The Safety 1st Optima Fix Extending Safety Gate is excellent value for money. It has two panels which provide 6 adjustable positions to extend the length of the gate and fit across a variety of openings It has a two-way opening, a safe close indicator and a double action opening mechanism. One-handed opening. Screw fits to walls. Min 63.5cm - Max 102cm. The whole gate opens meaning that there is no bottom bar to trip over, making it perfect for stairs....