Strong Hand(r) Welding Magnet - Adjust O Mag Level On/Off Magnet MSL-316 Every Tradesman should have one! Worry free level sticks to steel structures. The patented ON/OFF switch makes positioning easier, and safer to use. Features Exclusive magnet with ON/OFF switch Attach to flat and round surfaces Switch makes it easy to position and easy to clean 3 Bubble vials Specs Degrees: 0 - 45 - 90 Length: 15. 5" (390 mm) Pull: 90 lbs. Weight: 5 lbs. Free standard ground shipping within contiguous U. S.