- Pyramids with 3-sided base and variable shape:
- Micropyramides in the index / inch area
-Higher pyramids for extra grip in the palm area
- Pyramids oriented to give greater support in the curve in the external area
- Reinforced wear area to increase the durability of the knob;
- Base handle in semi-rigid anti-twist material;
-Foundary prearranged for removal (with blade guide) in case of use of closed hand guards;
-4 slots for iron wire for perfect tightening.