Brown & Sharpe Reading Double Square, Adjustable Double Square, Satin Chrome Finish, Hardened Steel Blade for Machine Alignment, 4" Blade Length, 4R Graduation

The Brown & Sharpe 599-555-3 adjustable double square with 4" blade length is used for layout and measuring in construction and machining operations. 4R graduations are marked in 64ths, 32nds, 16ths, and 8ths of an inch. The chrome-finished blade locks in place to ensure accurate measurements and marking. The hardened and ground head provides accuracy and durability. Brown & Sharpe manufactures precision measuring equipment and metrology hand tools. The company, founded in 1833, is headquartered in North Kingstown, RI.

• PRECISION GROUND: Stainless steel blade with chrome-finished surface delivers consistent accuracy for critical layout work. Laser-etched 4R graduations (1/8", 1/16", 1/32", 1/64") on this Reading Double Square remain crisp and highly readable through daily shop use and handling
• RIGID HEAD: Aluminum alloy square head is hardened and precision-ground for durability. This adjustable double square provides a stable reference surface for reliable 90° checks and measurement tasks in machine shops and tool rooms
• SMOOTH ADJUSTMENT: This combination square slides effortlessly along the blade for precise positioning during setup work. Locking knob securely holds the head in place without slipping or shifting when you need consistent, repeatable measurements
• MULTI-FUNCTION: This machinist square features a versatile design that works as try square for angle checks, depth gauge for recessed areas, height gauge for machine setup, and marking gauge for precision layout tasks in one tool
• PROFESSIONAL MACHINIST TOOL: Ideal for machine alignment, surface plate work, and quality control inspections. This combination square is a precision reference for machinists, toolmakers, and QC professionals who demand consistent accuracy