Muc-Off Bicycle Tool Tubeless Tire Punk Repair Stealth TUBELESS Puncture Plug Silver 3.5 inches (8.9 cm)Tubeless Punk Plugs are small, lightweight, and durable. Blocking and repairing holes that cant cover only by sealant. Available in a variety of colors. CNC machined from 6061 aluminum 17/19/21mm silica plugs are included to fit different handleb..