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 youre 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