ATO stainless steel feeler gauge set with a 0.03-0.5mm measuring range. 13 blades feeler gauge has 13 blades with an offset design that’s great for awkward areas.
Tips: How to trim the blade of the feeler gauge?
Because the ruler is very thin (some are only 0.02mm), it is inevitable to be warped during work. Sometimes a section of the warped ruler can be cut off, but it is recommended not to use this method as a last resort. The curved ruler should be corrected before use. The trimming method is to remove the ruler piece from the ruler sleeve and put it on a rolling machine to flatten it, but this kind of equipment is not necessarily available in general factories. The customary trimming method is to put the convex side of the warped ruler upwards, place it on a smooth table, press a piece of hardwood with the top (facade) flattened on the ruler and push it forward with appropriate force and use It is evenly stressed over the entire width of the tooth flank. After use, the ruler should be wiped clean, coated with anti-corrosion oil, and kept properly.