DIY Wrench Spanner Charms - Tibetan Antique Silver tone Great Charms for craft projects Lead Free Silver tone Metal Wrench charms that are ideal for crafty projects. Great for DIY gift! 22mm approx with a 1.5mm hole, so this charm would need a jump ring adding before using for most projects. Great jewellery making supplies. Please note that Antique Silver has a slightly blackened look and this perfectly normal.