Combination Square - Professional Carpenter’s - Clamp Assembly 812-CA

Clamp assembly for the Ultra Test Combination Sets #MG-S278-4R.

The clamp assembly is spring loaded to hold the protractor heads and body to the steel ruler.

Specially designed for carpenters and the woodworking trades

Machined and enameled cast iron head has precision level and scriber for producing right and 45° angles

12" x 1" steel blade is graduated in 8ths, 16ths, and 32nds

Conforms to government specifications GGG-S-656C