Fein F-IRONCUT57AS 18V AMPShare Metal Circular Saw (Body, L-Boxx) Introducing the NEW Fein F-IRON CUT 57 AS metal circular saw!  It can make rapid and precise cuts up to 57mm in sheet metals and metal grilles, pipes and profiles with virtually no sparks or burrs. It offers 50% more material removal than standard metal circular saws! It's part of the AMPShare multi-brand battery system which allows you to use any AMPShare battery with a range of different brands' AMPShare tools or Bosch Professional tools. With just one shared battery system, you can switch between tools and brands without thinking twice for more flexibility than ever before. All AMPShare tools are also compatible with 18V Bosch Professional batteries, which is ideal if you already have an 18V Bosch kit.