Starrett 98-18 Machinist Level 18-Inch Cast Iron Precision Level

The Starrett 98-18 is an 18-inch machinist level built for precision alignment, leveling, and inspection work in machine shops, manufacturing facilities, and industrial environments. Part of Starrett's trusted No. 98 Series, this level features a robust cast iron base that is ground and milled for a flat, accurate bearing surface, ensuring reliable contact on machinery, ways, and workpiece surfaces.

Key Features:

• 18-inch (457 mm) base length for extended surface coverage and improved accuracy over longer spans
• Precision ground cast iron base — hardened and stress-relieved for long-term stability and wear resistance
• High-sensitivity main vial with a graduation sensitivity of 0.005" per foot (approximately 0.42mm per meter)
• Side vials for cross-leveling in a single setup
• Vials are readable from above and from the side for convenient use in tight spaces
• Durable protective frame guards the vials from shop-floor damage
• Graduated bubble vials filled with synthetic liquid for consistent performance across a wide temperature range

The Starrett 98-18 is a go-to instrument for machinists and toolmakers who need to level lathes, mills, surface plates, and other precision equipment. Its combination of a long base, sensitive vials, and rugged cast iron construction makes it a reliable standard for professional-grade leveling tasks.