Replacement OTTO DIY V2 Silicon Inserts Kit for OTTO DIY V2 Kit Tension Grommets

OTTO DIY V2 Silicon Insert Kit

These are replacement silicon inserts used exclusively for the V2 Otto Kit. These will change the tension (tighter feel) as the number increases. These are just the inserts, 4pcs one kit. These are the additional tension grommets with the kit.

Description

V2 White Core (You will use this new core for this kit as opposed to the current one found in your existing V2 kit) Red 40 - Lowest Tension Orange 50 Green 60 Blue 70-Largest Tension