Pair of precision prisms with ALCA clamping bracket

Used pair of precision prisms with ALCA clamping bracket Pair of precision prisms with clamping bracket Features: Made of hardened steel, precision ground in pairs. Prismatic notches of different depths with 45° angle. Dimensions 160 x 110 x 60 mm. Strong clamping bracket with knurled screw for workpiece clamping. In wooden box with sliding lid.