IMPA Code: 650966/650967/650968/650969/650970/650971/650972/650973/650974/650975/650976/650977/650978/650981/650982/650983/650984/650985/650986/650987/650988/650989/650990/650991/650992/650993
Recommended for use where extreme accuracy is required. Base and blades are hardened, ground and lapped to insure that the square has a straight, parallel setup. 1st and 2nd grades are avaialble according to their tolerance. Non graduated types are most commonly used but graduated types are also available upon request.
