Spare part number 10127 No. 11 Hat-shaped plug x 1 This is a repair part for a frame pool. It is a part that was included with a 220x150 pool. Compatible pools are 450x220, 300x200, 260x160, and 220x150. We have plenty in stock, so if you would like to order multiple items, please let us know in the comments section before placing your order.