Jaypro's ground sleeve for the Big League Mega outdoor batting cage tunnel frame is the ultimate solution for securing your Mega Batting Tunnel. Designed for easy setup and lasting stability, this ground sleeve facilitates the installation process by enabling secure insertion and removal of poles without the need for direct cementing. Ideal for schools, training facilities, and sports complexes, this ground sleeve provides a professional, secure, and long-lasting solution for the Mega Batting Tunnel installation. This ground sleeve aids in protecting the poles from direct ground contact, reducing corrosion and extending the lifespan of your Big League Mega outdoor batting cage tunnel frame. Measuring 8"x8" square post by 60-1/8"L, this heavy-duty steel ground sleeve with a zinc prime finish ensures maximum durability and longevity. Designed for the semi-permanent installation of the Mega Tunnel poles, this ground sleeve provides a secure foundation. You can ensure the long-term stability of your outdoor batting cage tunnel frame by securing four of these sleeves at the corners of the frame.