K & E Tackle Speed Bumps are made of soft rubber and are simple, yet effective. Simply thread line through the wire loop, slide the stop on at your desired depth, slide your speed bump slowly on to avoid damage. Use a slip float with a bead top or add a bead and float of your choice. Soft rubber constructionWorks great as bobber stopsPerfect for Carolina rigging Qty. per PackSizeTest15Small2 - 4 lbs.15Medium4 - 8 lbs.15Large8 - 12 lbs.15X-Large12 - 20 lbs.Please note: Any fishing accessories shown in the images are for display purposes only and are not included.