Imported from Italy, these rigging screws from AA-parts utilize an innovative body fabricated in high-strength 7075-T6 Black annodized aluminum - with a AISI 316 stainless steel M3 rounded shank. The rigging screw is provided with a self locking stainless steel nut to insure a tight grip and to reduce the possibility of losing the nut to transportation vibration. the head of the AISI 316 stainless steel wire is made with a special technique to insure accurate fitting- and to insure reliable performance when setting up the boat.