<https://posttricks.com/product/magnetic-locking-linking-rings/>
<http://schema.org/description>
"  MAGNETIC LOCKING LINKING RINGS PRO STAGE MAGIC TRICK LARGE 11 INCH SET OF 6 LOCK Includes: 3 pre linked 11 inch Rings, 2 single unlinked 11 inch Rings, 1 Magnetic locking 11 inch Ring &amp; Black Draw String Bag(no instructions)"
<https://posttricks.com/product/magnetic-locking-linking-rings/>