Stanley die cast combination square 300mm stanley 2 46 028 this combination square has a 300mm 12in rule with class 2 accuracy and is coated to resist rust with metric and imperial graduations li it has a die cast metal body heavy duty screw and regulated vial to ensure accuracy with high quality brass nut and scriber fittings for long life li size 300mm 12in stanley 2 46 028 die cast combination square 300mm 12in