3½" arm adds 3' extension to existing 3½" diameter poles (10-year limited warranty, 40#, Sm. Pkg.) • 4½" arm adds 4' extension to existing 4½" diameter poles (25-year limited warranty, 60#, Sm.Pkg.) • 5-9/16" arm adds 6' extension to existing 5-9/16" diameter poles (lifetime limited warranty, 87#, truck) • Galvanized steel extension arm comes with 1-5/8" diameter galvanized braces for backboard support • Existing pole top must be 125" above the playing surface to insure adjustment to 10' goal height • Includes all hardware to mount arm to pole and to backboard • 5" x 5" goal hole pattern

Additional information

Weight	40 lbs
Size	3-1/2” with 3′ extension, 4-1/2” with 4′ extension, 5-9/16” with 6′ extension
Instructions	BA776/A/B-BA778/A/DB-BA781/A/DB-BA77XBR
Submittals (3-1/2")	BA776A
Submittals (4-1/2")	BA778A
Submittals (5-9/16")	BA781A
Class	truck