INSIZE 2274-4 组合平方尺套件 (± 0,15mm)

Center head (made of cast iron): to locate center of cylinders with diameter (0d): 30-100mm 

Accuracy: ±0.15mm 

Protractor head (made of cast iron): set the blade at desired angle to an edge of a workpiece, and can be used to measure angles 

Range: 0-180° 

Accuracy: ±20min.

Square head (made of cast iron): set the blade at 90° or 45° to an edge of a Workpiece 

Accuracy: ±8min for 90° square, ±10min for 45° square 

Blade (made of stainless steel): 

Range: 300mm/12"

Graduation: 0.5mm and 1/32" on front face, 1mm and 1/64" on back face 

Datasheet