Over-size Ground Flat Stock Now Available 23 November 2016 David We are please to launch a new addition to our stock range, metric over-size ground flat stock in W1.2510 (AISI O1) tool steel. It is designed to be able to go direct to heat treatment and finish at exact metric sizes. Fine milled on 4 faces to +0.4mm/-0mm this is an alternative to imperial dimensions. Available in widths up-to 500mm wide this could provide you with a cost saving in your tool room! To view our range why not take a look at our size range now!