Totsupura is a revolutionary screw which has a compatibility with Cross-recessed head (Philips) screw and prevents the driver bit from popping out called Cam out Phenomenon which is a default of Cross-recessed head screw. It prevents screw tightening errors and stabilize quality of your products. It dramatically reduces damage to the components caused by Cam out phenomenon and operator fatigue. And also, it is suitable for automation and improves productivity and help laborsaving. Moreover, it is eco-friendly and effective for the process of maintenance and recycling.