Designed to assist in deep-hole measurements by extending the reach of a standard bore gauge, this 19.69" (500.1 mm) extension rod features a 0.59" (15 mm) diameter and is compatible with the series 511.
Designed to assist in deep-hole measurements by extending the reach of a standard bore gauge, this 19.69" (500.1 mm) extension rod features a 0.59" (15 mm) diameter and is compatible with the series 511.
| Extension Length | 19.69" (500.1 mm) | 
| Rod Diameter | 0.59" (15 mm) | 
| Spanner | 212556 |