STABILAs Magnetic Pro-Sets are 3 piece level sets that contain 4-foot type 80 ASM-2 spirit levels, 2-foot type 80 ASM-2 spirit levels, and type 81 SM magnetic torpedo levels. STABILAs type 80 ASM-2 spirit levels are fantastic hand tools that feature lightweight box beam aluminum profiles, coated measuring surfaces, removable plastic end caps, recessed rare earth magnets, and accurate matched vials that ensure both plumb readings are the same when leveling. 80 ASM-2 series levels are great for DIY applications. These spirit levels are well liked among carpenters and re-modelers. Level sets are cost effective alternatives for those seeking to acquire multiple STABILA spirit levels.