On/Off-Switchable Strong-Hand Welding Magnetic Clamps - Max 110lbs Heavy Duty Neodymium Welding Magnets Holder, Hexagon Multi-Angle 30°, 45°, 60°, 75°, 90°, 105°, 120°, 135°, 150° (2 PACK of Large) - - Amazon.com
Neodymium On/Off Magnetic Workholding Jig
Magnetic base, permanent | norelem
Magnet Blocks with Three Side Attraction - ON / OFF Switchable | MISUMI | MISUMI Indonesia
On/Off magnet - DG0038 | | Noga Engineering
Adjust-O Magnet Square, Heavy Duty, On/Off Switches, Pull Force: 65 lbs, 4-3/8" x 3-3/4" x 1-1/8", MSA46-HD, Strong Hand Tools: Magnetic Sweepers: Amazon.com: Tools & Home Improvement