Set of 6 Draper telescopic bore gauges

Indispensable for accurately determining a wear or repair dimension (e.g. piston).

Set of 6 telescopic bore gauges:

- 8 to 13 mm gauge, length 115 mm
- Gauge from 13 to 19 mm, length 115 mm
- Gauge from 19 to 31 mm, length 115 mm
- Gauge from 31 to 54 mm, length 145 mm
- Gauge from 54 to 89 mm, length 145 mm
- Gauge from 89 to 150 mm, length 155 mm

NB : To be combined with a mechanical or digital micrometer of adequate capacity.