Stair part fixings are used to connectthe handrail and other stair parts to the newel post. By having a stair part fixing kit, tools or brackets, you can ensure that the process of setting up a stair case or fixing a stair part is efficient and secure. Stair case fitting, however, is not a job for an inexperienced DIY enthusiast and it is best to engage a professional for such an important safety feature in your home or anywhere else.