Description:

Description:

• 87 pcs/set  precision metric gage block set,  rectangular,DIN861 grade 1---w. tollerance of within 0.30um(0.000001m).
•  with serial number and  size. 
• Complete certificate of calibration showing deviation of each block. Meets or exceed Fed. Spec. GGG-G-15C and Conform to MIL-STDD-45662A
• 9 blocks: .1.001 - 1.009mm  in 0.001mm steps
• 49 blocks: 1.01 - 1.49mm in 0.01mm steps
• 19 blocks: 0.50 - 9.50 in 0.50mm steps
• 10 blocks: 10.00 - 100.00mm in 10.00mm steps 
• Fitted in heavy duty and precision made wooden box.