High-precision measuring instrument

Specification Made of special cast-iron. Worked in pairs. >Design A: Without clamping slot. Without T-slot. >Design B: With clamping slot (not pictured). >Design C: With T-slots to DIN 650 (not pictured). Working >4-sides precise. The 4 longitudinal faces are worked in pairs, flat, parallel and rectangular to each other according to the indicated precision grades. The front faces are dressed. . >6-sides precise. All faces are worked in pairs, flat, parallel and rectangular to each other according to the indicated precision grades. JFA precision grade III >Accuracy 0,040 mm, dressed and egalized. >Design A, 4-sides precise, order-no. 620012. 6-sides precise, order no. 620212. >Design B, 4-sides precise, order-no. 621012. 6-sides precise, order no. 621212. >Design C, 4-sides precise, order-no. 622012. 6-sides precise, order no. 622212. JFA precision grade I >Accuracy 0,010 mm, finely scrapped and touched. >Design A, 4-sides precise, order-no. 620015. 6-sides precise, order no. 620215. >Design B, 4-sides precise, order-no. 621016. 6-sides precise, order no. 621216. >Design C, 4-sides precise, order-no. 622016. 6-sides precise, order no. 622216. JFA precision grade I++ >Accuracy 0,002 mm, scrapped and touched in finest execution. >Design A, 4-sides precise, order-no. 620017. 6-sides precise, order no. 620217. >Design B, 4-sides precise, order-no. 621017. 6-sides precise, order no. 621217. >Design C, 4-sides precise, order-no. 622017. 6-sides precise, order no. 622217.