Compatible with the 511-159 bore gauge, this extension rod is used for deep-hole measurement and features a range of 0.7 to 1.4" (17.78 x 35.56 mm).
Compatible with the 511-159 bore gauge, this extension rod is used for deep-hole measurement and features a range of 0.7 to 1.4" (17.78 x 35.56 mm).
| Length | 4.92" (124.96 mm) | 
| Range | 0.7 to 1.4" (17.78 x 35.56 mm) |