H-Nub Spacer (2 hardness in the set)

H-Nub walk (2 hardnesses included)
A set of two H-Nub spacers for tuning replicas.
Product features_
- 2 hardness options included < br> - made of silicone aviation
- easy to modify
- can be mounted in 4 different directions Photos - compatible with parts of the Marui standard
- extends the contact of the ball with the HU rubber , Which translates into a better and more stable curling