Starrett Machinists' Level with Ground and Graduated Main Vial - Ideal for Machine Shop and Tool Room Use - 12" (300mm) Length, Cross Test Vial, With Wood Case - 98Z-12

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Starrett Machinists' Level with Ground and Features

• Adjustable - The vials are adjustable to a positive setting. It can be adjusted by turning the knurled knob on the side of the level, making it easy for quick leveling tasks.

• Durable Fine Finish - The base is made from cast iron and is precision-machined on the reference surface to increase durability. The vial is housed in a satin finished brass tube with a friction-fit closing cover to prevent breakage.

• Accurate and Precise - With the cross test vial, it is possible to simultaneously level in both directions. This prevents inaccuracies in the main vial reading caused by canting the level sidewise on round work.

• Ergonomic - The base of the levels features an involute groove between the bearing flats for accurate seating on round work. This groove has a special involute design, permitting better centering and greater capacity to handle larger rounds.

• The Standard for Excellence - Proudly made in the USA, Starrett combines over 140 years of American heritage and innovation with globally sourced materials to deliver exceptional quality tools and products.

About Starrett Machinists' Level With Ground And

Product Description The Starrett 98Z-12 precision machinists’ level is a 12" long spirit level with a graduated main vial that has a sensitivity of 0.42 mm/m or 80 to 90 seconds for determining horizontal plane, a cross-test vial that enables simultaneous leveling in two directions, and a plumb vial for determining vertical plane. The main vial is adjustable to a positive setting for accurate results, is made of ground glass that resists scratching to provide clear readings, and is housed in a brass tube with a friction-fit closing to resist breakage. A V-shaped groove along the base provides reliable seating when leveling round items such as pipe, conduit, and shafts. The level has a cast iron base for durability and it comes with a finished wood storage case. Levels are used in the building trades, engineering, surveying, and metalworking, among other applications. Levels are instruments that are used to determine the true horizontal or vertical plane of a surface. The most common type of level is the spirit level, or bubble level. Spirit levels have a liquid-filled, bowed tube (also called a vial) with a bubble that moves when slight adjustments are made to the level. When the bubble settles between marked points on the vial, it indicates that a surface is horizontally or vertically straight. Levels can have one or more vials to determine the horizontal plane, the vertical plane, or various points between, such as a 45-degree angle, simultaneously. Some levels include a laser line indicator that projects a horizontal or vertical beam on a surface. Bullseye levels, or surface levels, are circular, flat-bottomed spirit levels that determine whether a surface plane is level. Machinists’ levels are made of metal and have surfaces designed specifically for rugged use in a machine shop or tool room. Levels can range from highly-complex and accurate machines, such as those used in the surveying and construction industry, to precision instruments used in carpentry and other building trades, to simple, pocket-sized devices for do-it-yourself projects. The L.S. Starrett Company manufactures precision measuring tools, metrology and testing equipment, and saw blade products. The company, founded in 1880, is headquartered in Athol, MA. From the Manufacturer Starrett Machinists Levels have ground and graduated main vials and include a cross test vial and single adjustable plumb vial. The base of the levels feature an involute groove running the length of the base which provides a reliable seat for round work. To guarantee extreme accuracy, the length of your level should not be longer than the work you are leveling.