It’s great for irretrievable nuts in quality classes 5, 6 and 8. Cutting width of chisel: 16 mm. Length without spindle: 134 mm. Hexagon drive (male): 19 mm. One operation through double cutting action.

The Kukko 55mm Counter Support Counterstay works with series 21 and series 21-E extractors. It provides opposing pressure when extracting a part. This product is intended to be used in conjunction with a Kukko extractor.