[Size] - The combine size of the turn lock clasp is 25mm x 22mm x 10mm/0.98" x 0.87" x 0.39"(L*W*H); Lock Inner Hole Size: 13mm x 4mm/0.51" x 0.16"(L*W); Fit for 4mm/0.16" thickness [Material] - Made of alloy material, with hanging plating and oil…