250 Series Magnetic Torpedo Levels, 9 in, 4 Vials ORS NASCO square and hex shapes More groove square and hex shapes More groove positions provide the optimum hand location for a better grip on the work piece ProTouch™ grips provide extra comfort and reduces hand fatigue Ratcheting action allows GrooveLock to be adjusted from the open position up to the work piece by pushing the handle up no need to press the button Right Angle Air Die Gr Welding Catalog NO Heavy duty grade torpedo level is up to the task under the most demanding jobsite conditions Durable die cast aluminum body Features 1 5° slope button for quick and easy drainage measurement Plumb Site® window enables dual sided viewing Rare earth magnets are 5X stronger than conventional magnets and free up hands for other tasks