SHMSA53-HD | Stronghand Adjust-O Magnet Square Heavy Duty 65 KG Adjust-O™ Magnet Squares The original magnet squares featuring On/Off switches. The fast & easy way to hold metal workpieces at 30°/60° 45° and 90°. * Turn the magnet Off or at the mid-point position when setting up turn On when you’re ready to work. Fast and safe set-up! * Ideal for round and square tubing angle and flat stock. * Easy to clean. Simply turn Off and wipe. * Max. Pull Force: 65 kg * Dimension: 152 x 130 x 35 mm * Weight: 1.4 kg