Easy to use, the installation can be completed in minute with a screwdriver ( not included The D-ring is great for converting a cosmetic bag into a messenger bag It is widely used to make adjustable neckties, waistbands and belts for smaller webbing, ropes or ropes zinc alloy metal, strong and, anti-rust, not easy to break, high strength and high resistance long lasting D is suitable for all leather, very suitable for bag decorations, keychains, belt buckles, wallets