Category: Building Materials and Supplies. Review: Simpson Strong-Tie is a well-known brand in the building materials industry, known for its high-quality products that are designed to provide strength and durability. The stair tread angle products listed above are no exception. These products are made from 12 gauge Zmax steel, which provides excellent resistance to corrosion and rust. The Simpson Strong-Tie Stair Tread Angle 1/4" X 1-1/2" 12 Ga Zmax is a versatile product that can be used in various applications such as stairs, walkways, and balconies. The angle of the tread provides excellent traction and safety for users. The product is easy to install and requires minimal tools. The Simpson Strong-Tie Stair Tread Angle 1/4" X 1-1/2" 12 Ga Zmax is similar in design and functionality, but it has a slightly different angle. This product also provides excellent traction and safety for users and is easy to install. The Simpson Strong-Tie Stair Tread Angle 1/4" X 1-1/2" 12 Ga Zmax is another versatile product that can be used in various applications such as stairs, walkways, and balconies. The angle of the tread provides excellent traction and safety for users. This product also has a slightly different angle compared to the other products listed above. The Simpson Strong-Tie Stair Tread Angle 1/4" X 1-1/2" 12 Ga Zmax is similar in design and functionality to the other products listed above, but it has a slightly different angle. This product also provides excellent traction and safety for users and is easy to install. The Simpson Strong Tie TA10Z Stair Tread Angle is another versatile product that can be used in various applications such as stairs, walkways, and balconies. The angle of the tread provides excellent traction and safety for users. This product also has a slightly different angle compared to the other products listed above. The Galvanized Staircase Angle [Set of 25] is a set of stair tread angles that are made from galvanized steel, which provides excellent resistance to corrosion and rust. The angles in this set provide good traction and safety for users. This product is easy to install and requires minimal tools. The SIMPSON STRONG TIE SS4118C-11045 Staircase Angle Z-Max is a versatile product that can be used in various applications such as stairs, walkways, and balconies. The angle of the tread provides excellent traction and safety for users. This product also has a slightly different angle compared to the other products listed above. Overall, these stair tread angle products from Simpson Strong-Tie are high-quality and provide excellent strength and durability. They are easy to install and require minimal tools. The angles in these products provide good traction and safety for users.