InSize 2278-3E Combination Square Set - 3-Piece

The InSize 2278-3E is a professional-grade 3-piece combination square set designed for precision layout, marking, and measurement tasks in machining, woodworking, and general metalworking applications. This comprehensive set provides the versatility of three interchangeable heads on a single hardened and graduated steel rule, allowing craftsmen and machinists to accomplish a wide variety of measurement and layout functions with a single tool system.

Set Includes:

• Square Head – For checking and marking 90° and 45° angles, as well as scribing lines parallel to an edge
• Protractor Head – For measuring and transferring angles from 0° to 180° with precision adjustment
• Center Head – For quickly and accurately locating the center of round or square stock

Key Features:

• Hardened, tempered, and precision-ground steel rule for long-lasting accuracy
• Clearly etched graduations for easy readability
• Solid cast iron heads with tight, wobble-free fit on the rule
• Lock nuts on each head for secure positioning during use
• Level vial integrated into the square head for added versatility
• Scriber included for layout and marking work
• Meets applicable precision standards for professional and industrial use

The InSize 2278-3E combination square set is an ideal addition to any toolbox, offering the accuracy and durability expected from InSize's line of professional metrology and layout tools. Whether used in a machine shop, woodworking studio, or on a job site, this set delivers reliable performance across a broad range of measuring and layout applications.