Combination Square - Professional Carpenter’s - Clamp Assembly 812-CA
Clamp assembly for Professional Carpenter’s Combination Square #812 and UltraTest 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" (305 x 26mm) steel blade is graduated in 8ths, 16ths, and 32nds
Conforms to government specifications GGG-S-656C