9-ring Copper Magnetic Clasp - Beadology Iowa

This is a substantial clasp.  Might be great up front.  It has an elongated magnet in the middle and "male"/"female" parts for added security.  It is 10mm wide, 55mm long, and 8mm thick.

99.9% Pure Copper Cross Magnetic Bracelet- M0116-CBCROSS

Tiger Eye & Mix Gemstone Beads Copper Wire Handmade Adjustable Rings

CRAW Archives - Beadology Iowa

Magnetic Clasps, Jewelry Findings

Gold plated magnetic Magnetic Clasps w/ Jump Ring & Lobster Claw

Buy Magnetic Jewelry Clasps at TheBeadTraders – The Bead Traders

Magnesite Bead Herringbone Wrapped Copper Wire Cuff Bracelet – Crystals in Copper LLC

Bead & Button - October 2017, PDF, Jewellery

Secure bracelets, necklaces, or other jewelry and crafts with the Locking Magnetic Clasps. The simple locking system allows you to easily put on jewelry with one hand and has a strong hold, so you don't have to worry about it falling off. They work best with leather cord with a diameter smaller than 4 millimeters, but it can work with other small cording as well. These clasps come in a variety of metallic solid colors and multiple pack sizes!.

Locking Magnetic Clasp - 4mm

Leather Cord Findings – Jesse James Beads