New generations of nuts for model manufactured in Delrin (plastic much more rugged nylon), fits the model competition.
They weigh a tenth compared to common steel nuts and do you plan to reduce the weight of Radio Control models (for example a steel nut weighs as much as 10 dice Delrin).
They are mainly used also nell'aereomodellismo, where weight is an important factor in consumption and performance.
In internal combustion and electric cars you can reduce up to 50 grams in weight,
clearly it is advisable to use mechanical broadheads lightly stressed.
The package is 5 pcs.
Click below the desired size: