This spring assisted rainbow knife features a 3" stainless steel blade and a titanium oxide coating. The knife is 3.75" when closed making it perfect for everyday carrying and use. The design is simple yet elegant. This truly is a great blade to add to your collection or use on a daily basis. The spring assist mechanism allows the blade to be deployed as quickly as possible, so that you are ready for any situation that comes up. Grab one today and clip it to your belt. You won't regret it!