Bottom Transparent Bowl is made of PC material. - It has 3 Inner Cutting Blades (competition has 2 blades) - This 3 Blades ensure a very smooth performance which is otherwise difficult to achieve. - Much Thicker and long lasting Nylon Pulling String (Comeptition String is much thinner and goes off very quickly) - Thicker Blade Shaft holder inside the PC bowl ensures propering chopping and life.