Certified triangle screw link for the most diverse fields of application like e.g. fixing a chest ascender (EDELRID Wind Up) on the chest harness Top 361. Certified triangle screw link for the most diverse fields of application like e.g. fixing a chest ascender (EDELRID Wind Up) on the chest harness Top 361. Certified triangle screw link for the most diverse fields of application like e.g. fixing a chest ascender (EDELRID Wind Up) on the chest harness Top 361. Certified triangle screw link for the most diverse fields of application like e.g. fixing a chest ascender (EDELRID Wind Up) on the chest harness Top 361.