Flexible pegs allow goal frames to release on hard impact. Made of durable plastic, one set can last for several seasons. Inserts are available in three sizes: 1 5/8', 1 3/8" stepped and 13/16" stepped. Order Nos.: 40.10520-3/8 40.10500-5/8 40.10510-3/16 For more information see our catalogue or call us at 1-866-656-8023