- 1個主體裡有數個“內置量桿的接長桿”組合，可以測量多種尺寸範圍的內徑尺寸。
- 硬質合金測量面。
- 需基點調整。
- 另需用於基點調整的基準規。
規格:
| Metric | |||
| Order No | Range | Head Travel | Extension Rods |
| 139-001 | 100-125mm | 25mm | – |
| 139-173 | 100-500mm | 25mm | 25,50,100,200 mm |
| 139-174 | 100-900mm | 25mm | 25,50,100,200,400 (2 pcs) mm |
| 139-175 | 100-1300mm | 25mm | 25,50,100,200,400 (2 pcs) mm |
| 139-176 | 100-1700mm | 25mm | 25,50,100,200,400 (3 pcs) mm |
| 139-177 | 100-2100mm | 25mm | 25,50,100,200,400 (4 pcs) mm |
| 140-157 | 1000-2000mm | 50mm | 50,100(2 pcs),200,500 mm |
| 140-158 | 1000-3000mm | 50mm | 50,100(2 pcs),200,500,1000 mm |
| 140-159 | 1000-4000mm | 50mm | 50,100(2 pcs),200,500,1000 (2 pcs) mm |
| 140-160 | 1000-5000mm | 50mm | 50,100(2 pcs),200,500,1000 (3 pcs) mm |
| Inch | |||
| Order No | Range | Extension Rods | Head Travel |
| 137-012 | 2-2.5in | – | .5in |
| 137-014 | 2-2.5in | – | .5in |
| 137-211 | 2-6in | .5,1,2 in | .5in |
| 137-212 | 2-12in | .5,1,2 (2pcs.),4 in | .5in |
| 137-213 | 2-20in | .5,1,2 (2pcs.),4,8 in | .5in |
| 137-214 | 2-40in | .5,1,2 (2pcs.),4,8,(2pcs),12 in | .5in |
| 137-215 | 2-60in | .5,1,2 (2pcs.),4,8,(3pcs),12(2pcs) in | .5in |
| 137-216 | 2-6in | .5,1,2 in | .5in |
| 137-217 | 2-12in | .5,1,2 (2pcs.),4 in | .5in |
| 137-218 | 2-20in | .5,1,2 (2pcs.),4,8 in | .5in |
| 137-219 | 2-40in | .5,1,2 (2pcs.),4,8,(2pcs),12 in | .5in |
| 137-220 | 2-60in | .5,1,2 (2pcs.),4,8,(3pcs),12(2pcs) in | .5in |
| 139-002 | 4-5in | – | 1in |
| 139-178 | 4-20in | 1,2,4,8 in | 1in |
| 139-179 | 4-36in | 1,2,4,8,16 in | 1in |
| 139-180 | 4-52in | 1,2,4,8,16 (2 pcs) in | 1in |
| 139-181 | 4-68in | 1,2,4,8,16 (3 pcs) in | 1in |
| 139-182 | 4-84in | 1,2,4,8,16 (4 pcs) in | 1in |
| 140-161 | 40-80in | 2,4 (2pcs),8,20 in | 2in |
| 140-162 | 40-120in | 2,4, (2 pcs) 8,20,40 in | 2in |
| 140-163 | 40-160in | 2,4, (2 pcs) 8,20,40 (2 pcs) in | 2in |
| 140-164 | 40-200in | 2,4, (2 pcs) 8,20,40 (3 pcs) in | 2in |
