For the DIY’er… Bulk box of 100 count 1” snap on jump cups. Designed to clip on Schedule 40 1” PVC pipe (1.315” OD). These are custom molded to AKC standards and are UV stabilized. All edges are smooth and not sharp. Box quantity is by weight, and jump cups are not counted. You may receive a few more or a few less than 100 count. Ships for free within continental U.S. At this price, give some to your friends!