Universal cup holder clamp with grippy rubber strip and attachment screw. Perfect for attaching cup holders to whatever weird thing that's not a bike, isn't perfectly round, or is larger than 1.25". Compatible with all HandleStash Cup Holders. Range: 0.5" to 1.5" Package Includes: Plastic Universal Clamp Grippy Rubber Strip Attachment Screw (#2 Phillips) THIS IS THE CLAMP ONLY. Cup Holder Not Included.