Holding force up to 32 kg, strong permanent magnet (neodymium magnet NeFeB), galvanized steel housing, net weight 290 gr, size approx. 32 x 50mm. With our high-performance magnet David, iron parts of all kinds and coins containing iron and nickel can easily be retrieved from the water. Even 1 and 2 euro coins stick to the David. The David retrieval magnet is ideal for searching old wells, shafts, ditches, streams and rivers, boat moorings, ponds, lakes and the sea. It can also be used by a diver to make the recovery of submerged iron objects much easier. Includes 15m nylon rope + safety instructions