This Coupling Hex Nut is designed to work in tandem with the side plate screw (Phillips Hex Head Machine Screw M6-1 x 1/2" for Sailrite® HandyPress® #127014), securely fastening the two plates of the Sailrite HandyPress together. This connection is crucial for maintaining proper alignment and structural integrity, ensuring your press operates reliably. Two screws are required for each Coupling Hex Nut.