Dive into the art of sand casting, a classic metalworking technique, to create a multi-size combination spanner with a hex head and screw wrench. Sand casting is one of the oldest and most ...

Explore the full aluminum casting process behind making a metal spanner tool using traditional sand mold techniques, a method still widely used in foundries and small-scale manufacturing ...

Knox FDC Spanner Wrench Aug. 13, 2018 The Knox FDC Spanner Wrench is a pocket-sized multipurpose tool that can quickly unlock and lock the Knox FDC, Standpipe and Storz Locks.