SiO2 Formula consists of 11 demanding nature shaped spax holds in different sizes ideal for wooden structures and vertical walls. The set includes especially slopers, but some can also be used as crimps. These climbing holds imitate the real rock, thanks to which the training is diversified and prepares the fingers for the challenges waiting in nature. The holds give great opportunities for routsetters to create interesting climbing routes and boulders in each formation.
- 11 screw on holds
- weight ~ 1,5 kg