These needles are the proper length, and should not puncture the liners if adequately applied WARNING: Solution can not be returned or exchanged if liner is broken or punctured as a result of poor inflation or needle use A versatile liner designed for several head shapes delivers comfort and balance https://johnnyyfqym.iyublog.com/30335270/the-smart-trick-of-riddell-speedflex-adult-large-that-no-one-is-discussing