- 650151 | 100mm
- 650152 | 125mm
- 650153 | 150mm
- 650154 | 200mm
- 650155 | 250mm
- 650156 | 300mm
- 650157 | 350mm
- 650158 | 400mm
- 650159 | 450mm
- 650160 | 600mm
- 650161 | 750mm
- 650162 | 1000mm
- For measuring the inside diameter of pipes, fittings, etc. Made of hardened steel with points of tempered steel to prevent wear.