Made from aluminium alloy with 5% silicon. 0.8mm wire supplied as a 500g spool. For welding duralumin, cast and wrought alloys. Suitable for use with most MIG welders. Made from aluminium alloy with 5% silicon For welding duralumin, cast and wrought alloys Suitable for use with most MIG welders 1 x Aluminium 5356 MIG Welding Wire, 0.8mm, 500g.