Setup Block 23×40

Solid Brass Setup Block for setting heights in 1mm or 1/16 inch increments.

45 degree sliding lock allows one side to move from flat to upward.  By rotating

to block, height measurements can be set from zero mm to 35mm internal and

longer for external measurements.  Set screw can be moved to centre position for

variable setting.  Size of blocks are 23mm x 40mm.