Features 30 ply wood rings and spring loaded swivels to reduce shoulder and back stress. Cables are 1/4" steel air craft cable and straps are heavy duty nylon webbing. Adjustable straps accomodate slanted I-beam pitch. Meets USAG and NFHSA specs. Requires two A141-4-9 I-beam clamps. Minimum recommended matting-one 8'x12'x12cm landing mat. Specify ceiling height, gymnastics level and required height of rings above the floor in the personalized box.
Not for home use.