1.WELL MADE AND STURDY - The double ended bolt snap hook is made of strong durable zinc alloy material, and well crafted heavy weight. These are good. Spring works well, holds tight with no binding or looseness in the mechanism. 2.EASY TO USE - These double sided clips are heavy duty 'snaps,' that are excellent for joining two other items with D-rings, for use as key rings, and lots of other uses. They are trigger operated, not the cheaper kind of snap hook which depend on tension to hold them closed. 3.MULTIPURPOSE - Make simple connections and restraints using anything with D rings. You can use these double ended snaps for holding water buckets on end gates, for chains, straps, gate latches, there is so many uses for these hooks. 4.QUANTITY & TIPS - A set includes 25 double trigger clips, enough for your home, ranch, or other outdoor needs, each hook has a working load of 110 lbs, please do not overload. Recommend to a rancher, a busy parent, people who camp, and more.