[niharika]

Originally Posted by billdan

Get a 32 blade set of spark plug feeler gauges from Bunnngs, they are $14 and span a range from 30 micron to 1mm.
They are easy to cut to size with scissors.

https://www.bunnings.com.au/kincrome...gauge_p6100365

Thanks Bill, I will go and have a looks. 30 micron ones will be ideal. I wonder if they would rust over time if left exposed overnight!!