The JOYOR S5-ABE Folding Base Special Fastening Screw is a precision-engineered hardware component designed exclusively for the JOYOR S5A electric scooter. It secures the folding mechanism at the base of the stem, ensuring stable hinge operation and reliable locking when the scooter is unfolded for riding. This screw plays a critical role in maintaining structural integrity during use and enabling smooth, safe folding.