Starrett PR-1224S Reversible Protractor Head for Combination Sets - 12 24

The Starrett PR-1224S Reversible Protractor Head is a precision-machined measuring tool head designed for use with Starrett combination square sets. Compatible with both 12-inch and 24-inch blades, this reversible protractor head allows for accurate angle measurement in a wide range of layout, inspection, and machining applications.

Starrett is one of the most trusted names in precision measurement, and this protractor head reflects their commitment to accuracy and durability. The reversible design allows the blade to be mounted on either side of the head, providing maximum flexibility when working in tight or awkward setups.

Key Features:

• Reversible design for left- or right-hand blade mounting
• Compatible with 12" and 24" combination square blades
• Graduated for accurate angle measurement
• Precision-machined cast iron construction for long-term durability
• Locking mechanism secures blade at desired angle
• Works as part of Starrett's modular combination set system

The PR-1224S protractor head is an ideal replacement or upgrade component for machinists, toolmakers, woodworkers, and quality control professionals who rely on Starrett combination sets for precise angular measurements on the shop floor or in the inspection room.