Here is a list of Crane Swivels that will fit this Mold
Do It Mold Crane Swivels #7
Do It Mold Trolling Sinker Sz: 1/4, 3/8, 1/2, 5/8, 3/4 oz
#7 Crane swivel not included on this order
Do it Mold (3149) STR-5-A