This Door Roller Catch with Premium Quality. The parts are made by die casting zinc alloy, the thickness is about 3/16", then make them polishing with smooth surface. Last, they will be powder coated satin black finish. Packed by single bag, then to box.
The face strike plates are made by high quality Zinc Alloy, with smooth surface, and satin black powder coating.
The roller is made by high quality black Nylon. The core is Brass.
The spring is made high quality 65mn material. Very heavy.
Satin Black Finish is popular and beautiful for the indoor doors!