The Genuine leather cord features a high quality Silver-Tone insert clasp. These wonderful new clasps have 2 part, one with a hole and one with a post, which allow you to fasten your jewelry with ease. You simply pull them away from each other to separate them. Square round, 5 mm wide End cap about 5.5 mm wide. Leather in Black. Available in 12 inches, 14 inches, 16 inches, 18 inches, 20 inches, 22 inches or 24 inchesAnna and Jade