Silver 50 &frac34;" Bow Tie Hardware Sets Necktie Hook Bow Tie Clips Fastenings Fasteners to Make Adjustable Straps on Bow Ties / Neckties Two Tie Accessories for Free One set includes: 1 hook, 1 eye and 1 slide The metal thickness is about 1/32 inch. Measurements: 3/4 inside, 7/8 outside. Material: Metal You are purchasing on 50 sets. Two tie accessories for free. (Keeps your necktie straight and in place at all times.Will NOT damage your neckties like tie pins or tie clips.)