K&F CONCEPT 72mm Magnetic Lens Filter Caps with Thread
https://tradeoutlet.shop/shop/pnic151877873-fla-k-f-concept-72mm-magnetic-lens-filter-caps-with-thread-5096427
https://tradeoutlet.shop/web/image/product.template/5096427/image_1920?unique=24ef306
Untested
Amazon Item Reference:
B0BQB9PHWM
