Magnetic force 1350 grams. Permanently strong magnet alloy without loss of strength. Extendable length 140 - 645 mm. With non-slip plastic covered handle and stainless steel shaft, pocket clip and power cap that ensures that the magnetic force is only directed forward. So it does not stick to the sides. Useful if the magnet moves along metal parts to the object to be picked up. Magnetic head diameter 12 mm with power cap, 8 mm without. Without a power cap, the magnetic force is slightly less.