Precise Sine Plate 6″x 6″x 2.5″ with Slots

• Made of quality steel, hardened to 55-62 RC.
• Tapped holes 1/4″-20 in top.
• Minute angle step 0.200 built into the front gage block roll – eliminates steps in the base plate.
• Two end rails and one locking strap included.
• Center of distance of rolls with 0.0001″
• 0-60 capacity.