The Gared Second Story Bolt-On Floor Sleeve Adapter allows for standard floor sleeves on all levels of your facility. The unit bolts to the bottom of the concrete or beam and allows for standard floor sleeve installation. Constructed of 6-5/8 O.D. heavy-gauge steel and .156 wall tubing and steel channels for maximum support and stability. The adapter measures 6 inches I.D. and is for use with all sleeves. Compatible with all Gared volleyball systems. Specifications: Color: Black Size: 6 I.D. Features: Allows for standard floor sleeves on all levels of your facility. Bolts to the bottom of concrete or beam. Constructed of steel channels and heavy-gauge steel for maximum support and stability. Compatible with all Gared volleyball systems