Most people turn door handles every day and never even give a second thought to the parts of a door handle until they need or choose to replace part or all of the handle. If you're going to DIY your door hardware, it can be useful to know more about door handle components first. The parts of a door handle include knobs/levers, latch mechanisms, strike plates, boxes and cylinder locks.

The most obviously noticeable part of the door handle is the knob or lever that actually allows the door to open. Knobs are generally round, although they may come in other shapes, and they open the door by turning, whereas levers (also called lever handles) open the door by pushing down. While it's pretty hard to install a door handle in the wrong direction, it's important to pay attention to the direction of a lever when installing one.The initial idea of push-pull door-handle is to ease opening of the door simply by mounting the push-pull door-handle, without any interference with the door, lock or doorjamb. installation is simple, the same as classic handle.

classical opening of the door takes place by pressing the handle and then either pulling or pushing the door away. push-pull door-handle does not require vertical pressure on the handle, since it is replaced by the movement of handle in the direction of opening the door, thereby opening is much smoother and more comfortable.
the procedure is the same, when we are closing the door. handle is pulled or pushed in the direction of movement of the door, so the door closes.Are Patio Door Handles Universal?

Patio door handles are not universal and will require you to check some key measurements to ensure a replacement sliding patio door handle will fit correctly. Measuring a sliding patio door handle is done the same way as any other uPVC door handle.

Are Patio Door Handles a Standard Size?If you’ve searched for “types of door handles” on Google and you’ve come across our article, you’re in for a treat – a detailed and informative guide on the different types of door handles. Maybe you’re planning to renovate your home or office space and are wondering which door handle will be the perfect fit, or maybe you are simply intrigued about the variety of door handles available.Stainless steel is one of the most common materials in which handles are made. Whether you’re shopping for a ball handle, a pull handle, adjustable handles, or crank handles, you can probably find it in stainless steel. Stainless steel handles have pros and cons Below is a breakdown of some of the pros and cons of stainless steel handles.

Pro: Corrosion Resistance

It shouldn’t come as a surprise to learn that stainless steel handles are resistant to corrosion. Stainless steel is an iron alloy that contains chromium (as well as nickel in some types of stainless steel). The presence of this chromium protects it from corrosion. You can use a stainless steel handle in a humid environment without fear of it rusting or corroding.

Pro: Aesthetics