30"x 2"Heavy Duty Cork back T-Square 8ths,16ths

30"x 2" Aluminum Heavy Duty Cork back T-Square.Specially suited for use by Engineers,Architects,Draftsmen,Construction Trades Designers, and Artist.Blade Calibrated two edges one side;head Calibrated left to right center point,bottom edge,one side .The blades are Calibrated in8ths,16ths.The head is Calibrated in 8ths.Cork backing is applied to the entire length of the blade.Provides non-slip stability on any surface.