| TG923 (metric) - .04, .05, .06, .07, .08, .1, .15, .2, .3 |
| TGB923 (inch) - .0015, .002, .003, .004, .006. .008, .010, .012, .015 |
| Feeler gauges are used in automotive work to check spaces when adjusting tappets in an engine. |
| It checks gaps between spark plug points and the gap between distributor points. |
| In machine workshop, feeler gauges are used for checking bearing clearances, spacing in gears and fit the gaps between the ends of turned cast iron piston rings. |
| 16-position adjustable torque control for maintaining screwdriving into a variety of materials with different screw sizes |