Bison Adjustable Playground Basketball Pole Size:4-1/2'' with 4' extension It features a small flange

It features a small flange on the inside

Crafted in an oversized fit

Lightweight and water resistant - its perfect indoors and out

Detachable hood for kids sizes

Bison Adjustable Playground Basketball Pole Size:4-1/2'' with 4' extension It features a small flangeMix and Match to Create Your Own System! Choose from 3", 4" or 5 9 16" O. D. polesSingle sided adjustable height design Direct goal mount improves backboard durability Heavy duty 1 5 8" diameter backboard support braces included All poles are galvanized for a long, rust free life Zinc plated hardware Deep ground bury depths 5" x 5" goal mounting pattern Industry leading warranties (10 year limited warranty on 3" poles, 25 year limited warranty on 4"