STABILAs 78 complete level sets are bestselling level sets that include 16 inch type 196 levels, 24 inch type 196 levels, 32 inch type 196 levels, 48 inch type 196 levels, 78 inch type 196 levels, 10 inch type 81 SM magnetic torpedo levels, and protective level bags for storage and carrying. STABILAs type 196 spirit levels feature extra-rigid rectangular box beam aluminum profiles with reinforcing ribs, milled and covered measuring surfaces (78 inch type 196 levels have covered measuring surfaces the rest have milled), ergonomic handles, hang holes, removable shock-absorbing end caps with anti-slip wall grips, and very accurate matched vials that ensure both plumb readings are the same when leveling in normal and reverse positions. These hand tools are the most popular STABILA box frame spirit level tools in North America! STABILAs type 81 SM magnetic torpedo levels feature I beam die cast frames, milled measuring surfaces, rare earth magnets, hang holes, and very accurate plumb and level vials. These unique die cast aluminum frames are some of the sturdiest and most recognizable spirit levels on the market. STABILAs type 81 SM magnetic torpedo level tools can easily be used for many different leveling applications and are very popular in North America. Level sets are cost effective alternatives for those seeking to acquire multiple STABILA levels.