The Mitutoyo Series 981-103 angle block set is for creating and measuring angles, and is suitable for use in home or commercial shops for working with wood or metal. This instrument has an accuracy of + or – 40 seconds. The set contains two angle blocks, one 30/60/90 degree block (010014) and one 45/90 degree block (010013). It is constructed of steel hardened to more than 55 on the Rockwell hardness scale C (HRC) for durability. The surfaces of both blocks are precision ground for accuracy. The perpendicular edges of 010014 are 3.46" and 2", the angled edge is 4", and the block is 0.276" thick. The perpendicular edges of 010013 are each 3", the angled edge is 4.24", and the block is 0.276" thick.
Mitutoyo manufactures precision measuring tools, metrology equipment, and related systems. The company, founded in Tokyo in 1934, formed Mitutoyo America Corporation in 1963 with headquarters in Aurora, IL.
What's in the Box?(1) Angle block, 30/60/90 degrees (010014)
(1) Angle block, 45/90 degrees (010013)