4-Step Block Thickness and linearity calibration. Inch This 4-Step block comes in thicknesses of 0.250, 0.500, 0.750 and 1.000. Step face measures 0.750 x 0.750. NOTE: Variations of this block are available if... Available In: Inch, Metric 4A, Metric 4B Details
Wood Case for 4-Step Block Fitted wooden case for PH Tool's 4-step blocks. Note: cases shown in photo may not be applicable for the block(s) you are purchasing; they are shown as examples ONLY. All PH Tool wood cases are... Details