Fitted wooden case to fit PH Tool's IIW-Type calibration blocks.
- IIW-Type 1 Block
- IIW-Type 2 Block
- ISO 2400 Calibration Block No 1 (K1)
- BS2704 V1/5 A2 Calibration Block
- PAUT IIW Block, ISO 19675
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 custom-made to fit specific blocks and are constructed and priced accordingly.