Mitragyna speciosa is an evergreen tree that can grow to a height of 25 m (82 ft) tall and the trunk may grow to a 3 ft (0.91 m) diameter. The trunk is generally straight and the outer bark is smooth and grey.
Overall though, metal is a much better option than plastic. In most cases, it is much more effective and reliable, and the right choice of metal will avoid the pitfalls of rust or weakness. Aluminium, steel and stainless steel are the three metal gutter materials for guards that homeowners can choose from.
The article, Picking the Right Door Lock for Your Home, provided by State Farm Insurance, will give you a good primer on selecting door locks for your home. The article recommends that you select a ANSI Grade 1 deadbolt lock for all exterior locks. Certainly, a Grade 1 deadbolt lock is best for home security. If your primary concern when selecting door locks is with home security, as it should be, the best deadbolt door lock for residential use is one that carries an ANSI Grade 1 rating.