A pack of 4 pairs of top quality 100% brass screw fasteners (binding screws) used on the Shoulder Strap Attachment Holes that support the D-rings on our Deluxe Leather Harness Strap. The screws are available in Nickel, Black, and Brushed Nickel. These DO NOT replace the 1/4 inch screw fasteners that on the shoulder strap adjustment holes or the Heel Strap. Those are sold separately under another listing on this website.