Small Shop 4.5 Inch Scissors at Japan Scissors. Short and Lightweight blades that fit comfortably in your hands. The smallest size available at Japan Scissors!
The 4.5" hairdressing scissors are the rarest due to their smaller demand.
They are often used to carry onto airplanes. Most flying legal limits for hairdressers scissors are allow for the 5" scissor due to it's small blade.
If you are looking for what hairdressing scissors you can bring onto a plane, the 4.5" is typically the best size, but always check with the flight company first.